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

/
/
x

Test String

Code Generator

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "(?x)<{7}[ ]HEAD[\r\n]{1,2}([\S\s]*?)(?:={7}[\r\n]{1,2}((?:[\S\s]?(?!(>{7}[ ][a-z0-9]{40})))*[\r\n]?)(?:>{7}[ ][a-z0-9]{40}[\r\n]{0,2})?)" Local $sString = "<<<<<<< HEAD" & @CRLF & _ " Release.AspNetCompiler.VirtualPath = "/agsdasgd"" & @CRLF & _ " Release.AspNetCompiler.PhysicalPath = "Server\PATH\afgdafgd\"" & @CRLF & _ " Release.AspNetCompiler.TargetPath = "PrePATH\to\PATH\afgdafdgPATH\"" & @CRLF & _ "=======" & @CRLF & _ " Release.AspNetCompiler.VirtualPath = "/afdgafdPATH"" & @CRLF & _ " Release.AspNetCompiler.PhysicalPath = "PATH\PATH\PATH\"" & @CRLF & _ " Release.AspNetCompiler.TargetPath = "PATHYPATH\afdgadfg\"" & @CRLF & _ ">>>>>>> aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" & @CRLF & _ "afds" & @CRLF & _ "fgds" & @CRLF & _ "testing" & @CRLF & _ "<<<<<<< HEAD" & @CRLF & _ "kljasdfasfd" & @CRLF & _ "sadfkljasdf" & @CRLF & _ "kdjsfla" & @CRLF & _ "k" & @CRLF & _ "afjdsl" & @CRLF & _ "asfdkljafsdk" & @CRLF & _ "jlfsadkj" & @CRLF & _ "lasfdk" & @CRLF & _ "jl" & @CRLF & _ "=======" & @CRLF & _ "fadsjkl" & @CRLF & _ "fdaskj" & @CRLF & _ "lfdas" & @CRLF & _ "jklfadsk" & @CRLF & _ "ljafdsjkl" & @CRLF & _ "fadsk" & @CRLF & _ "ljafdsk" & @CRLF & _ "jlafdskj" & @CRLF & _ "ladfs" & @CRLF & _ "kjlfdask" & @CRLF & _ "ljfadskj" & @CRLF & _ "ladfsk" & @CRLF & _ "jl" & @CRLF & _ ">>>>>>> aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" & @CRLF & _ "fds" & @CRLF & _ "fads" & @CRLF & _ "afds" & @CRLF & _ "fads" & @CRLF & _ "" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH) ; Present the entire match result _ArrayDisplay($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