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

/
/
g

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 = "^"(?:(?:[^"]*)")+?," Local $sString = ""POLICE ARREST MAN ACCUSED\r\nOF MURDERING MISSING GIRL\r\n \r\nA New York man is in cust-\r\nody after he confessed to \r\nthe murder of a Sterling\r\ngirl who had been missing.\r\n \r\nJohn Ward of Palmyra was\r\npulled over on Snake\r\nMeadow Hill Road last\r\nnight after a state troop-\r\ner reported hearing a gun-\r\nshot. The officer thought\r\nit might be poachers.\r\n \r\nThe officer said Ward was\r\nacting \"nervous and\r\nsuspicious\" after being\r\npulled over. When quest-\r\nioned, Ward reportedly\r\nsaid \"I've killed her\".\r\nAccording to the police re-\r\nport, the officer called\r\nfor backup after Ward be-\r\ncame increasingly upset,\r\nsaying repeatedly that\r\nthere was \"a demon inside\r\nher\".\r\nWard was taken to Sterling\r\npolice headquarters for\r\nfurther questioning. Ward\r\nthen confessed to\r\nauthorities that he shot\r\nand killed Amy Martin, a\r\nseventeen year-old girl\r\nwho had been missing for\r\nnine days after escaping\r\nfrom a mental institution.\r\n \r\nAfter a brief search,\r\npolice located Amy's body\r\nin the woods near the now-\r\nabandoned Martin home. In\r\naddition to receiving a \r\ngunshot wound to the sto-\r\nmach, Amy showed injuries\r\nsuggesting that she had \r\nbeen thrown out of the \r\nsecond story window of\r\nthe house. An officer who\r\nhelped recover the body\r\ntold reporters that Amy's\r\nface had been \"mutilated\r\nin a very brutal manner\".\r\nWard was found dressed as\r\na priest when he was\r\npulled over. It is sus-\r\npected that he imperson-\r\nated a priest to gain his\r\nvictim's trust after\r\nCatholic authorities in\r\nRome confirmed that Ward\r\nwas not an ordained\r\nminister.\r\n \r\n(The rest of the article\r\nis missing.)\r\n"," 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