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 = ""The quick, brown fox jumps over a lazy dog. DJs flock by when MTV ax quiz prog. " & @CRLF & _ "Junk MTV quiz graced by fox whelps. [Never gonna ] Bawds jog, flick quartz, vex nymphs. " & @CRLF & _ "[give you up\n] Waltz, bad nymph, for quick jigs vex! Fox nymphs grab quick-jived waltz. " & @CRLF & _ "Brick quiz whangs jumpy veldt fox. [Never ] Bright vixens jump; [gonna let ] dozy fowl " & @CRLF & _ "quack. Quick wafting zephyrs vex bold Jim. Quick zephyrs blow, vexing daft Jim. Charged " & @CRLF & _ "[you down\n] fop blew my junk TV quiz. How quickly daft jumping zebras vex. Two driven " & @CRLF & _ "jocks help fax my big quiz. Quick, Baz, get my woven flax jodhpurs! "Now fax quiz Jack!" " & @CRLF & _ "my brave ghost pled. [Never ] Five quacking zephyrs jolt my wax bed. [gonna ] Flummoxed " & @CRLF & _ "by job, kvetching W. zaps Iraq. Cozy sphinx waves quart jug of bad milk. [run around ] " & @CRLF & _ "A very bad quack might jinx zippy fowls. Few quips galvanized the mock jury box. Quick " & @CRLF & _ "brown dogs jump over the lazy fox. The jay, pig, fox, zebra, and my wolves quack! " & @CRLF & _ "[and desert you] Blowzy red vixens fight for a quick jump. Joaquin Phoenix was gazed " & @CRLF & _ "by MTV for luck. A wizard’s job is to vex chumps quickly in fog. Watch "Jeopardy!", " & @CRLF & _ "Alex Trebek's fun TV quiz game."" 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