Dump/Load regexp with escaped slash #523

Closed
#715
Closed
Dump/Load regexp with escaped slash#523
#715

Description

@ayanko
ayanko
opened on Oct 12, 2021

Problem

$ irb -r psych

irb(main):001:0> Psych.load(Psych.dump(/\d/)) == /\d/=>trueirb(main):002:0> Psych.load(Psych.dump(/\//)) == /\//=>false

STR

$ cat psych_regexp.rb

# frozen_string_literal: truerequire'psych'require'test/unit'classTestPyschRegexpDumpLoad < Test::Unit::TestCasedeftest_psych_versionassert'3.1.0',Psych::VERSIONenddeftest_dump_load_regexp_no_escapeassert_equal"--- !ruby/regexp /^[0-9]+/\n",Psych.dump(/^[0-9]+/)assert_equal/^[0-9]+/,Psych.load(Psych.dump(/^[0-9]+/))enddeftest_dump_load_regexp_with_slashassert_equal"--- !ruby/regexp /^\\//\n",Psych.dump(/^\//)assert_equal/^\//,Psych.load(Psych.dump(/^\//))endend

Run

$ ruby psych_regexp.rb

Actual Result

Loaded suite psych_regexp
Started
.F
=====================================================================================================================================================================================
15:
16: def test_dump_load_regexp_with_slash
17: assert_equal "--- !ruby/regexp /^\\//\n", Psych.dump(/^\//)
=> 18: assert_equal /^\//, Psych.load(Psych.dump(/^\//))
19: end
20: end
psych_regexp.rb:18:in `test_dump_load_regexp_with_slash'
</^\//> expected but was
</^\//>
diff:
/^\//
Failure: test_dump_load_regexp_with_slash(TestPyschRegexpDumpLoad)
=====================================================================================================================================================================================
.
Finished in 0.006877 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3 tests, 5 assertions, 1 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
66.6667% passed
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
436.24 tests/s, 727.06 assertions/s

Expected Result

Test passed

Activity

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      , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
       blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

      Skip to content
      Dump/Load regexp with escaped slash #523
      Closed
      #715
      Closed
      Dump/Load regexp with escaped slash#523
      #715
      Description
      @ayanko
      ayanko
      opened on Oct 12, 2021
      Problem
      $ irb -r psych
      irb(main):001:0> Psych.load(Psych.dump(/\d/)) == /\d/=>trueirb(main):002:0> Psych.load(Psych.dump(/\//)) == /\//=>false
      STR
      $ cat psych_regexp.rb

      # frozen_string_literal: truerequire'psych'require'test/unit'classTestPyschRegexpDumpLoad < Test::Unit::TestCasedeftest_psych_versionassert'3.1.0',Psych::VERSIONenddeftest_dump_load_regexp_no_escapeassert_equal"--- !ruby/regexp /^[0-9]+/\n",Psych.dump(/^[0-9]+/)assert_equal/^[0-9]+/,Psych.load(Psych.dump(/^[0-9]+/))enddeftest_dump_load_regexp_with_slashassert_equal"--- !ruby/regexp /^\\//\n",Psych.dump(/^\//)assert_equal/^\//,Psych.load(Psych.dump(/^\//))endend
      Run
      $ ruby psych_regexp.rb

      Actual Result
      Loaded suite psych_regexp
Started
.F
=====================================================================================================================================================================================
15:
16: def test_dump_load_regexp_with_slash
17: assert_equal "--- !ruby/regexp /^\\//\n", Psych.dump(/^\//)
=> 18: assert_equal /^\//, Psych.load(Psych.dump(/^\//))
19: end
20: end
psych_regexp.rb:18:in `test_dump_load_regexp_with_slash'
</^\//> expected but was
</^\//>
diff:
/^\//
Failure: test_dump_load_regexp_with_slash(TestPyschRegexpDumpLoad)
=====================================================================================================================================================================================
.
Finished in 0.006877 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3 tests, 5 assertions, 1 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
66.6667% passed
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
436.24 tests/s, 727.06 assertions/s

      Expected Result
      Test passed
      Activity
      Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        No labels
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          Milestone
          No milestone
          Relationships
          None yet
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          No branches or pull requests
          Issue actions
          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

          Skip to content
          Dump/Load regexp with escaped slash #523
          Closed
          #715
          Closed
          Dump/Load regexp with escaped slash#523
          #715
          Description
          @ayanko
          ayanko
          opened on Oct 12, 2021
          Problem
          $ irb -r psych
          irb(main):001:0> Psych.load(Psych.dump(/\d/)) == /\d/=>trueirb(main):002:0> Psych.load(Psych.dump(/\//)) == /\//=>false
          STR
          $ cat psych_regexp.rb

          # frozen_string_literal: truerequire'psych'require'test/unit'classTestPyschRegexpDumpLoad < Test::Unit::TestCasedeftest_psych_versionassert'3.1.0',Psych::VERSIONenddeftest_dump_load_regexp_no_escapeassert_equal"--- !ruby/regexp /^[0-9]+/\n",Psych.dump(/^[0-9]+/)assert_equal/^[0-9]+/,Psych.load(Psych.dump(/^[0-9]+/))enddeftest_dump_load_regexp_with_slashassert_equal"--- !ruby/regexp /^\\//\n",Psych.dump(/^\//)assert_equal/^\//,Psych.load(Psych.dump(/^\//))endend
          Run
          $ ruby psych_regexp.rb

          Actual Result
          Loaded suite psych_regexp
Started
.F
=====================================================================================================================================================================================
15:
16: def test_dump_load_regexp_with_slash
17: assert_equal "--- !ruby/regexp /^\\//\n", Psych.dump(/^\//)
=> 18: assert_equal /^\//, Psych.load(Psych.dump(/^\//))
19: end
20: end
psych_regexp.rb:18:in `test_dump_load_regexp_with_slash'
</^\//> expected but was
</^\//>
diff:
/^\//
Failure: test_dump_load_regexp_with_slash(TestPyschRegexpDumpLoad)
=====================================================================================================================================================================================
.
Finished in 0.006877 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3 tests, 5 assertions, 1 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
66.6667% passed
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
436.24 tests/s, 727.06 assertions/s

          Expected Result
          Test passed
          Activity
          Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            No labels
            No labels
            Type
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            Projects
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              Milestone
              No milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              Dump/Load regexp with escaped slash #523
              Closed
              #715
              Closed
              Dump/Load regexp with escaped slash#523
              #715
              Description
              @ayanko
              ayanko
              opened on Oct 12, 2021
              Problem
              $ irb -r psych
              irb(main):001:0> Psych.load(Psych.dump(/\d/)) == /\d/=>trueirb(main):002:0> Psych.load(Psych.dump(/\//)) == /\//=>false
              STR
              $ cat psych_regexp.rb

              # frozen_string_literal: truerequire'psych'require'test/unit'classTestPyschRegexpDumpLoad < Test::Unit::TestCasedeftest_psych_versionassert'3.1.0',Psych::VERSIONenddeftest_dump_load_regexp_no_escapeassert_equal"--- !ruby/regexp /^[0-9]+/\n",Psych.dump(/^[0-9]+/)assert_equal/^[0-9]+/,Psych.load(Psych.dump(/^[0-9]+/))enddeftest_dump_load_regexp_with_slashassert_equal"--- !ruby/regexp /^\\//\n",Psych.dump(/^\//)assert_equal/^\//,Psych.load(Psych.dump(/^\//))endend
              Run
              $ ruby psych_regexp.rb

              Actual Result
              Loaded suite psych_regexp
Started
.F
=====================================================================================================================================================================================
15:
16: def test_dump_load_regexp_with_slash
17: assert_equal "--- !ruby/regexp /^\\//\n", Psych.dump(/^\//)
=> 18: assert_equal /^\//, Psych.load(Psych.dump(/^\//))
19: end
20: end
psych_regexp.rb:18:in `test_dump_load_regexp_with_slash'
</^\//> expected but was
</^\//>
diff:
/^\//
Failure: test_dump_load_regexp_with_slash(TestPyschRegexpDumpLoad)
=====================================================================================================================================================================================
.
Finished in 0.006877 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3 tests, 5 assertions, 1 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
66.6667% passed
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
436.24 tests/s, 727.06 assertions/s

              Expected Result
              Test passed
              Activity
              Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                No labels
                No labels
                Type
                No type
                Projects
                No projects
                  Milestone
                  No milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

                  Skip to content
                  Dump/Load regexp with escaped slash #523
                  Closed
                  #715
                  Closed
                  Dump/Load regexp with escaped slash#523
                  #715
                  Description
                  @ayanko
                  ayanko
                  opened on Oct 12, 2021
                  Problem
                  $ irb -r psych
                  irb(main):001:0> Psych.load(Psych.dump(/\d/)) == /\d/=>trueirb(main):002:0> Psych.load(Psych.dump(/\//)) == /\//=>false
                  STR
                  $ cat psych_regexp.rb

                  # frozen_string_literal: truerequire'psych'require'test/unit'classTestPyschRegexpDumpLoad < Test::Unit::TestCasedeftest_psych_versionassert'3.1.0',Psych::VERSIONenddeftest_dump_load_regexp_no_escapeassert_equal"--- !ruby/regexp /^[0-9]+/\n",Psych.dump(/^[0-9]+/)assert_equal/^[0-9]+/,Psych.load(Psych.dump(/^[0-9]+/))enddeftest_dump_load_regexp_with_slashassert_equal"--- !ruby/regexp /^\\//\n",Psych.dump(/^\//)assert_equal/^\//,Psych.load(Psych.dump(/^\//))endend
                  Run
                  $ ruby psych_regexp.rb

                  Actual Result
                  Loaded suite psych_regexp
Started
.F
=====================================================================================================================================================================================
15:
16: def test_dump_load_regexp_with_slash
17: assert_equal "--- !ruby/regexp /^\\//\n", Psych.dump(/^\//)
=> 18: assert_equal /^\//, Psych.load(Psych.dump(/^\//))
19: end
20: end
psych_regexp.rb:18:in `test_dump_load_regexp_with_slash'
</^\//> expected but was
</^\//>
diff:
/^\//
Failure: test_dump_load_regexp_with_slash(TestPyschRegexpDumpLoad)
=====================================================================================================================================================================================
.
Finished in 0.006877 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3 tests, 5 assertions, 1 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
66.6667% passed
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
436.24 tests/s, 727.06 assertions/s

                  Expected Result
                  Test passed
                  Activity
                  Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    No labels
                    No labels
                    Type
                    No type
                    Projects
                    No projects
                      Milestone
                      No milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                      Skip to content
                      Dump/Load regexp with escaped slash #523
                      Closed
                      #715
                      Closed
                      Dump/Load regexp with escaped slash#523
                      #715
                      Description
                      @ayanko
                      ayanko
                      opened on Oct 12, 2021
                      Problem
                      $ irb -r psych
                      irb(main):001:0> Psych.load(Psych.dump(/\d/)) == /\d/=>trueirb(main):002:0> Psych.load(Psych.dump(/\//)) == /\//=>false
                      STR
                      $ cat psych_regexp.rb

                      # frozen_string_literal: truerequire'psych'require'test/unit'classTestPyschRegexpDumpLoad < Test::Unit::TestCasedeftest_psych_versionassert'3.1.0',Psych::VERSIONenddeftest_dump_load_regexp_no_escapeassert_equal"--- !ruby/regexp /^[0-9]+/\n",Psych.dump(/^[0-9]+/)assert_equal/^[0-9]+/,Psych.load(Psych.dump(/^[0-9]+/))enddeftest_dump_load_regexp_with_slashassert_equal"--- !ruby/regexp /^\\//\n",Psych.dump(/^\//)assert_equal/^\//,Psych.load(Psych.dump(/^\//))endend
                      Run
                      $ ruby psych_regexp.rb

                      Actual Result
                      Loaded suite psych_regexp
Started
.F
=====================================================================================================================================================================================
15:
16: def test_dump_load_regexp_with_slash
17: assert_equal "--- !ruby/regexp /^\\//\n", Psych.dump(/^\//)
=> 18: assert_equal /^\//, Psych.load(Psych.dump(/^\//))
19: end
20: end
psych_regexp.rb:18:in `test_dump_load_regexp_with_slash'
</^\//> expected but was
</^\//>
diff:
/^\//
Failure: test_dump_load_regexp_with_slash(TestPyschRegexpDumpLoad)
=====================================================================================================================================================================================
.
Finished in 0.006877 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3 tests, 5 assertions, 1 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
66.6667% passed
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
436.24 tests/s, 727.06 assertions/s

                      Expected Result
                      Test passed
                      Activity
                      Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        No labels
                        No labels
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                          Skip to content
                          Dump/Load regexp with escaped slash #523
                          Closed
                          #715
                          Closed
                          Dump/Load regexp with escaped slash#523
                          #715
                          Description
                          @ayanko
                          ayanko
                          opened on Oct 12, 2021
                          Problem
                          $ irb -r psych
                          irb(main):001:0> Psych.load(Psych.dump(/\d/)) == /\d/=>trueirb(main):002:0> Psych.load(Psych.dump(/\//)) == /\//=>false
                          STR
                          $ cat psych_regexp.rb

                          # frozen_string_literal: truerequire'psych'require'test/unit'classTestPyschRegexpDumpLoad < Test::Unit::TestCasedeftest_psych_versionassert'3.1.0',Psych::VERSIONenddeftest_dump_load_regexp_no_escapeassert_equal"--- !ruby/regexp /^[0-9]+/\n",Psych.dump(/^[0-9]+/)assert_equal/^[0-9]+/,Psych.load(Psych.dump(/^[0-9]+/))enddeftest_dump_load_regexp_with_slashassert_equal"--- !ruby/regexp /^\\//\n",Psych.dump(/^\//)assert_equal/^\//,Psych.load(Psych.dump(/^\//))endend
                          Run
                          $ ruby psych_regexp.rb

                          Actual Result
                          Loaded suite psych_regexp
Started
.F
=====================================================================================================================================================================================
15:
16: def test_dump_load_regexp_with_slash
17: assert_equal "--- !ruby/regexp /^\\//\n", Psych.dump(/^\//)
=> 18: assert_equal /^\//, Psych.load(Psych.dump(/^\//))
19: end
20: end
psych_regexp.rb:18:in `test_dump_load_regexp_with_slash'
</^\//> expected but was
</^\//>
diff:
/^\//
Failure: test_dump_load_regexp_with_slash(TestPyschRegexpDumpLoad)
=====================================================================================================================================================================================
.
Finished in 0.006877 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3 tests, 5 assertions, 1 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
66.6667% passed
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
436.24 tests/s, 727.06 assertions/s

                          Expected Result
                          Test passed
                          Activity
                          Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            No labels
                            No labels
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                              Skip to content
                              Dump/Load regexp with escaped slash #523
                              Closed
                              #715
                              Closed
                              Dump/Load regexp with escaped slash#523
                              #715
                              Description
                              @ayanko
                              ayanko
                              opened on Oct 12, 2021
                              Problem
                              $ irb -r psych
                              irb(main):001:0> Psych.load(Psych.dump(/\d/)) == /\d/=>trueirb(main):002:0> Psych.load(Psych.dump(/\//)) == /\//=>false
                              STR
                              $ cat psych_regexp.rb

                              # frozen_string_literal: truerequire'psych'require'test/unit'classTestPyschRegexpDumpLoad < Test::Unit::TestCasedeftest_psych_versionassert'3.1.0',Psych::VERSIONenddeftest_dump_load_regexp_no_escapeassert_equal"--- !ruby/regexp /^[0-9]+/\n",Psych.dump(/^[0-9]+/)assert_equal/^[0-9]+/,Psych.load(Psych.dump(/^[0-9]+/))enddeftest_dump_load_regexp_with_slashassert_equal"--- !ruby/regexp /^\\//\n",Psych.dump(/^\//)assert_equal/^\//,Psych.load(Psych.dump(/^\//))endend
                              Run
                              $ ruby psych_regexp.rb

                              Actual Result
                              Loaded suite psych_regexp
Started
.F
=====================================================================================================================================================================================
15:
16: def test_dump_load_regexp_with_slash
17: assert_equal "--- !ruby/regexp /^\\//\n", Psych.dump(/^\//)
=> 18: assert_equal /^\//, Psych.load(Psych.dump(/^\//))
19: end
20: end
psych_regexp.rb:18:in `test_dump_load_regexp_with_slash'
</^\//> expected but was
</^\//>
diff:
/^\//
Failure: test_dump_load_regexp_with_slash(TestPyschRegexpDumpLoad)
=====================================================================================================================================================================================
.
Finished in 0.006877 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3 tests, 5 assertions, 1 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
66.6667% passed
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
436.24 tests/s, 727.06 assertions/s

                              Expected Result
                              Test passed
                              Activity
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