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

/
/
gm

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 = "(?m)\/tax-efficient-(guide|investing)|\/tax-raid-high-earners" Local $sString = "<!-- INSTAPAGE: Paths only -->" & @CRLF & _ "/" & @CRLF & _ "/tax-efficient-guide" & @CRLF & _ "/tax-efficient-investing" & @CRLF & _ "/tax-efficient-guide-download" & @CRLF & _ "/tax-raid-high-earners" & @CRLF & _ "/tax-raid-high-earners-download" & @CRLF & _ "/tax-efficient-investing-capital-gains" & @CRLF & _ "/tax-efficient-investing-capital-gains-download" & @CRLF & _ "/pb_iht_guide" & @CRLF & _ "/pb-iht-download" & @CRLF & _ "/iht-guide" & @CRLF & _ "/iht-guide-download" & @CRLF & _ "/inheritance-tax" & @CRLF & _ "/inheritance-tax-download" & @CRLF & _ "/iht-free-isa" & @CRLF & _ "/make-isa-iht-free" & @CRLF & _ "/iht-free-isa-download" & @CRLF & _ "/aim-isa-guide" & @CRLF & _ "/aim-isa-guide-download" & @CRLF & _ "/eis-factsheet" & @CRLF & _ "/EIS-factsheet-download" & @CRLF & _ "/seis-factsheet" & @CRLF & _ "/seis-factsheet-download" & @CRLF & _ "/vct-factsheet" & @CRLF & _ "/vct-factsheet-download" & @CRLF & _ "/eis-knowledge-intensive" & @CRLF & _ "/uktn-download" & @CRLF & _ "/free-research-report-octopus-titan" & @CRLF & _ "/free-research-report-octopus-titan-download" & @CRLF & _ "/investment-ideas" & @CRLF & _ "/investment-ideas-download" & @CRLF & _ "/isa-iht-free-report" & @CRLF & _ "/isa-iht-free-report-download" & @CRLF & _ "" & @CRLF & _ "<!-- WWW SITE -->" & @CRLF & _ "" & @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