Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

`
`
gm

Test String

Code Generator

Language

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "(?m)^(([Rr]ef|[Cc]loses|[Rr]elated|[Ff]ixes|[Pp]artial)(:|) (#\d+|\w+\#\d+|(https://|)gitlab.com/volterra/.*/issues/\d+))|noref$" Local $sString = "ref #629" & @CRLF & _ "Ref #629" & @CRLF & _ "ref specification#629" & @CRLF & _ "Ref specification#629" & @CRLF & _ "ref https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Ref https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "ref gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Ref gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "ref: #629" & @CRLF & _ "Ref: #629" & @CRLF & _ "ref: specification#629" & @CRLF & _ "Ref: specification#629" & @CRLF & _ "ref: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Ref: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "ref: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Ref: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "closes #629" & @CRLF & _ "Closes #629" & @CRLF & _ "closes specification#629" & @CRLF & _ "Closes specification#629" & @CRLF & _ "closes https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Closes https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "closes gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Closes gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "closes: #629" & @CRLF & _ "Closes: #629" & @CRLF & _ "closes: specification#629" & @CRLF & _ "Closes: specification#629" & @CRLF & _ "closes: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Closes: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "closes: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Closes: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "related #629" & @CRLF & _ "Related #629" & @CRLF & _ "related specification#629" & @CRLF & _ "Related specification#629" & @CRLF & _ "related https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Related https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "related gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Related gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "related: #629" & @CRLF & _ "Related: #629" & @CRLF & _ "related: specification#629" & @CRLF & _ "Related: specification#629" & @CRLF & _ "related: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Related: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "related: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Related: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "fixes #629" & @CRLF & _ "Fixes #629" & @CRLF & _ "fixes specification#629" & @CRLF & _ "Fixes specification#629" & @CRLF & _ "fixes https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Fixes https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "fixes gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Fixes gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "fixes: #629" & @CRLF & _ "Fixes: #629" & @CRLF & _ "fixes: specification#629" & @CRLF & _ "Fixes: specification#629" & @CRLF & _ "fixes: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Fixes: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "fixes: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Fixes: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "partial #629" & @CRLF & _ "Partial #629" & @CRLF & _ "partial specification#629" & @CRLF & _ "Partial specification#629" & @CRLF & _ "partial https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Partial https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "partial gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Partial gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "partial: #629" & @CRLF & _ "Partial: #629" & @CRLF & _ "partial: specification#629" & @CRLF & _ "Partial: specification#629" & @CRLF & _ "partial: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Partial: https://gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "partial: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "Partial: gitlab.com/volterra/ves.io/specifications/-/issues/629" & @CRLF & _ "noref" & @CRLF & _ "" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH) Local $aFullArray[0] For $i = 0 To UBound($aArray) -1 _ArrayConcatenate($aFullArray, $aArray[$i]) Next $aArray = $aFullArray ; Present the entire match result _ArrayDisplay($aArray, "Result")

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm