Lightregex

A lightweight regular expression operation.

Usage

1. Checks if the regular expression matches a string.

   letregx:Lightregex="^1[3|4|5|6|7|8][0-9]\\d{4,8}$"print(regx.match(in:"17012345678"))	// true
   // OR
   "17012345678".contains("^1[3|4|5|6|7|8][0-9]\\d{4,8}$")

2. Get matching string(s).

   letregx:Lightregex="(\\d{3})-(\\d{3,8})"letres= regx.wholeMatch(in:"Tel: 010-12345 & 027-12345678")print(res.map{ $0.string })	// ["010-12345", "027-12345678"]
   print(res.map{ $0.groups })	// [["010", "12345"], ["027", "12345678"]]
   // OR
   "Tel: 010-12345 & 027-12345678".wholeMatch(regx:"(\\d{3})-(\\d{3,8})")

3. Replace string using a template string.

   lettext="I bought this pair of shoes for $50 this afternoon at 3pm."letregx=Lightregex("\\d")!
   letres= regx.replacing(in: text, replacement:"*")print(res) // "I bought this pair of shoes for $** this afternoon at *pm."
   // OR
   text.replacing("\\d", with:"*")

4. Replace string with transform.

   letregx:Lightregex="\\d"letres= regx.replacing(in:"A1B23C45D678E"){"\(Int($0)! *2)"}print(res)	// "A2B46C810D121416E"
   letregx:Lightregex="\\d+"letres= regx.replacing(in:"A1B23C45D678E"){"\(Int($0)! *2)"}print(res)	// "A2B46C90D1356E"
   // OR
   "A1B23C45D678E".replacing("\\d+"){"\(Int($0)! *2)"}