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

r"
"
gm

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 = "(?m)\b(?:a*(?:ha*){2,}h?)\b|\b(?:a*(?:ja*)+j?)\b|\b(?:e*(?:je*)+j?)\b|\b(?:i*(?:ji+)+j?)\b|\b(?:A*(?:JA+)+J?)\b|\b(?:A*(?:HA+)+H?)\b|\b(?:e*(?:he+){2,}h?)\b|\b(?:Ja*(?:ja+)+j?)\b|\b(?:Je*(?:je+)+j?)\b|\bJa+\b|\b(?:Ji*(?:ji+)+j?)\b|\b(?:Ha*(?:ha+)+h?)\b|\b(?:Jo*(?:jo+)+j?)\b|\b(?:o*(?:jo+)+j?)\b|\b(?:a*((?:ja+)|(?:js+))+j?)\b|\b(?:A*((?:JA+)|(?:JS+))+J?)\b" Local $sString = "jajajajajaja" & @CRLF & _ "jejejejeje" & @CRLF & _ "jijijijijij" & @CRLF & _ "ji" & @CRLF & _ "ja" & @CRLF & _ "je" & @CRLF & _ "hahahahahahaaaaa" & @CRLF & _ "Hahahaaa" & @CRLF & _ "Hahaaahaaha" & @CRLF & _ "hahaahaaaah" & @CRLF & _ "haaaaahaaahahahaaaaah" & @CRLF & _ "heheeheheeeeheeeheh" & @CRLF & _ "jajajaj" & @CRLF & _ "jaja" & @CRLF & _ "ja" & @CRLF & _ "jejejej" & @CRLF & _ "jeje" & @CRLF & _ "je" & @CRLF & _ "jijijiji" & @CRLF & _ "jiji" & @CRLF & _ "ji" & @CRLF & _ "ajajajaja" & @CRLF & _ "ahahahaha" & @CRLF & _ "ejejejeje" & @CRLF & _ "aaajajaja" & @CRLF & _ "jajaaajajaaajaaaa" & @CRLF & _ "JAJAJAJAJAJAJAJ" & @CRLF & _ "HAHAHAHAAAAHAHAHAHAAA" & @CRLF & _ "Hahahahahaha" & @CRLF & _ "JAJAJAJA" & @CRLF & _ "AAJAJAJA" & @CRLF & _ "JAJAAAJAJAJAAAAJ" & @CRLF & _ "he " & @CRLF & _ "hehe" & @CRLF & _ "haha" & @CRLF & _ "ha " & @CRLF & _ "has " & @CRLF & _ "hamaca " & @CRLF & _ "Jajajajaja" & @CRLF & _ "Jaja" & @CRLF & _ "Jejejejejeje" & @CRLF & _ "Jaa" & @CRLF & _ "Jijijijiiiiji" & @CRLF & _ "jiiijijijiiijijijiii " & @CRLF & _ "Jojojojojoj" & @CRLF & _ "jojojoj " & @CRLF & _ "Hahaa " & @CRLF & _ "Jejeee" & @CRLF & _ "jajaaaa" & @CRLF & _ "Jajaaaa" & @CRLF & _ "jajaj" & @CRLF & _ "jajajajsjaja" & @CRLF & _ "jajajssjsjsjajsja" & @CRLF & _ "jsjsjsjsjsjsj" & @CRLF & _ "JAJAJSJAJSSJAJSJSJAJSSSSJ " & @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