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

/
/
xgJm

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 = "(?xJm)(?'char'[A-F0-9]{4,7})\;(?'replace'.*)(?:\s{1}(?'replace'[A-F0-9]{4,7}))+(?=\s)+(?:\s{1}(?'replace'[A-F0-9]{4,7}))+(?=\s)+(?:\s{1}(?'replace'[A-F0-9]{4,7}))+\;\ (?'comment'.*)(?:\n)|" & @CRLF & _ "(?'char'[A-F0-9]{4,7})\;(?'replace'.*)(?:\s{1}(?'replace'[A-F0-9]{4,7}))+(?=\s)+(?:\s{1}(?'replace'[A-F0-9]{4,7}))+\;\ (?'comment'.*)(?:\n)|" & @CRLF & _ "(?'char'[A-F0-9]{4,7})\;(?:\s{1}(?'replace'[A-F0-9]{4,7}))+(?=\s)+(?:\s{1}(?'replace'[A-F0-9]{4,7}))+\;\ (?'comment'.*)(?:\n)|" & @CRLF & _ "(?'char'[A-F0-9]{4,7})\;(?'replace'.*)\;\ (?'comment'.*)(?:\n)|" & @CRLF & _ "(?'range_start'[A-F0-9]{4,7})\-(?'range_end'[A-F0-9]{4,7})(?:\;\ )(?'comment'.*)(?:\n)|" & @CRLF & _ "(?'char'[A-F0-9]{4,7})(?:\;\ )(?'comment'.*)(?:\n)|" & @CRLF & _ "(?'range_start'[A-F0-9]{4,7})\-(?'range_end'[A-F0-9]{4,7})(?:\n)|" & @CRLF & _ "(?:^\ {3})(?'char'[A-F0-9]{4,7})(?:\n)|" & @CRLF & _ "(?<appendix>(?'appendix_type'Start|End)\sTable\s(?'appendix_number'(\w).(?'appendix_order'(\d)))(?=\ -----\n))" Local $sString = " F001-AB12" & @CRLF & _ " 0221" & @CRLF & _ " 0234-024F" & @CRLF & _ " 02AE-02AF" & @CRLF & _ " 03AB; 03CB; Case map" & @CRLF & _ " 03B0; 03C5 0308 0301; Case map" & @CRLF & _ " 03C2; 03C3; Case map" & @CRLF & _ " 03B0; 03C5 0308 0301 0A1B; Case map" & @CRLF & _ " ----- Start Table A.1 -----" & @CRLF & _ " 03D0; 03B2; Case map" & @CRLF & _ " 03D1; 03B8; Case map" & @CRLF & _ " ----- End Table A.1 -----" & @CRLF & _ " 03D2; 03C5; Additional folding" & @CRLF & _ " 03D3; 03CD; Additional folding" & @CRLF & _ " 00DF; 0073 0073; Case map" & @CRLF & _ " 037B-037D" & @CRLF & _ " 037F-0383" & @CRLF & _ " 038B" & @CRLF & _ "Hoffman & Blanchet Standards Track [Page 89]" & @CRLF & _ " " & @CRLF & _ "RFC 3454 Preparation of Internationalized Strings December 2002" & @CRLF & _ " 1806; ; Map to nothing" & @CRLF & _ " 1806; ; Map to nothing" & @CRLF & _ " 1806; ; Map to nothing" & @CRLF & _ " 1806; ; Map to nothing" & @CRLF & _ " F0000-FFFFD" & @CRLF & _ " 100000-10FFFD" & @CRLF & _ " F0000" & @CRLF & _ " 013B; 013C; Case map" & @CRLF & _ " 013D; 013E; Case map" & @CRLF & _ " 0080-009F; [CONTROL CHARACTERS]" & @CRLF & _ " 06DD; ARABIC END OF AYAH" & @CRLF & _ " 070F; SYRIAC ABBREVIATION MARK" & @CRLF & _ " 180E; MONGOLIAN VOWEL SEPARATOR" & @CRLF & _ " 200C; ZERO WIDTH NON-JOINER" & @CRLF & _ " 200D; ZERO WIDTH JOINER" & @CRLF & _ " 2028; LINE SEPARATOR" & @CRLF & _ " 2029; PARAGRAPH SEPARATOR" & @CRLF & _ " 2060; WORD JOINER" & @CRLF & _ " 2061; FUNCTION APPLICATION" & @CRLF & _ " 2062; INVISIBLE TIMES" & @CRLF & _ " 013F; 0140; Case map" & @CRLF & _ " 0141; 0142; Case map" & @CRLF & _ " 0143; 0144; Case map" & @CRLF & _ " 0145; 0146; Case map" & @CRLF & _ " 0147; 0148; Case map" & @CRLF & _ " 0149; 02BC 006E; Case map" & @CRLF & _ " 014A; 014B; Case map" & @CRLF & _ " 014C; 014D; Case map" & @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