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

/
/
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)(?<=[\.,;\s\t\n])[a-z0-9\-]{2,}(?=[\.,;\s\t\n])" Local $sString = " -a- -a-ll- [Enter KING HENRY, LORD JOHN OF , -,the;, LANCASTER , , the EARL" & @CRLF & _ "!and =all =12 ,123-,;, -qw !all a-a -doof I -i ,9ab+" & @CRLF & _ "xxx xx x !all ?nicht !and -doof -12 -aa" & @CRLF & _ " of WESTMORELAND, SIR WALTER BLUNT, and others]" & @CRLF & _ "12 d12a ; a1 d1a, ! ,aaaaa aaa ,aa1 .1a , ; !.a12" & @CRLF & _ "KING HENRY IV So !shaken as we, the are, so wan with care," & @CRLF & _ " Find we a time; for frighted peace to pant," & @CRLF & _ " And breathe short-winded accents of new broils" & @CRLF & _ " To be commenced in strands afar remote." & @CRLF & _ " No more the thirsty entrance of this soil" & @CRLF & _ " Shall 12 daub her 1l1ips with her own children's blood;" & @CRLF & _ " Nor more shall trenching war channel her fields," & @CRLF & _ " Nor bruise her flowerets with the armed hoofs" & @CRLF & _ " Of hostile paces: those opposed eyes," & @CRLF & _ " Which, like the meteors of a troubled heaven," & @CRLF & _ " All of one nature, of one substance bred," & @CRLF & _ " Did lately meet in the intestine shock" & @CRLF & _ " And furious close of civil butchery" & @CRLF & _ " Shall now, in mutual well-beseeming ranks," & @CRLF & _ " March all one way and be no more opposed" & @CRLF & _ " Against acquaintance, kindred and allies:" & @CRLF & _ " The edge of war, like an ill-sheathed knife," & @CRLF & _ " No more shall cut his master. Therefore, friends," & @CRLF & _ " As far as to the sepulchre of Christ," & @CRLF & _ " Whose soldier now, under whose blessed cross" & @CRLF & _ " We are impressed and engaged to fight," & @CRLF & _ " Forthwith a power of English shall we levy;" & @CRLF & _ " Whose arms were moulded in their mothers' womb" & @CRLF & _ " To chase these pagans in those holy fields" & @CRLF & _ " Over whose acres walk'd those blessed feet" & @CRLF & _ " Which fourteen hundred years ago were nail'd" & @CRLF & _ " For our advantage on the bitter cross." & @CRLF & _ " But this our purpose now is twelve month old," & @CRLF & _ " And bootless 'tis to tell you we will go:" & @CRLF & _ " Therefore we meet not now. Then let me hear" & @CRLF & _ " of you, my gentle cousin Westmoreland," & @CRLF & _ " What yesternight our council did decree" & @CRLF & _ " In forwarding this dear expedience." & @CRLF & _ "" & @CRLF & _ "WESTMORELAND my liege, this haste was hot in question," & @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