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

/
/
gim

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 $sRegex = "(?im)(?<FULLREQUEST>^(?<HOST>(?<PROTOCOL>(?:http)?s?:?\/\/)(?<DOMAIN>[^\/]+\/)|(?<RELATIVE>(?:\.*\/?)+))(?<PATH>[^\s]+\/)?(?<FILENAME>(?:(?<NAME>[^\/\s\.\?\#]+?)?(?<EXT>\.[^\s\?\#]*)?|(?:\/[^\/\s\?\#]+?)))(?<QUERYSTRING>\?[^\s\#]+)?(?<ANCHOR>\#\S+)?$)" Local $sString = "Domain Name Root" & @CRLF & _ "https://www.domain.com/" & @CRLF & _ "https://www.domain.com/?with=queryString" & @CRLF & _ "https://www.domain.com/#withAnchor" & @CRLF & _ "https://www.domain.com/?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Full Domain Name With File" & @CRLF & _ "https://www.domain.com/with-file" & @CRLF & _ "https://www.domain.com/with-file?with=queryString" & @CRLF & _ "https://www.domain.com/with-file#withAnchor" & @CRLF & _ "https://www.domain.com/with-file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Full Domain Name With File With Extension" & @CRLF & _ "https://www.domain.com/file-with.ext" & @CRLF & _ "https://www.domain.com/file-with.ext?with=queryString" & @CRLF & _ "https://www.domain.com/file-with.ext#withAnchor" & @CRLF & _ "https://www.domain.com/file-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Full Domain Name With Path to File" & @CRLF & _ "https://www.domain.com/some-path/to/a/file" & @CRLF & _ "https://www.domain.com/some-path/to/a/file?with=queryString" & @CRLF & _ "https://www.domain.com/some-path/to/a/file#withAnchor" & @CRLF & _ "https://www.domain.com/some-path/to/a/file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Full Domain Name With Path to File With Extension" & @CRLF & _ "https://www.domain.com/some-path/to/a/file-with.ext" & @CRLF & _ "https://www.domain.com/some-path/to/a/file-with.ext?with=queryString" & @CRLF & _ "https://www.domain.com/some-path/to/a/file-with.ext" & @CRLF & _ "https://www.domain.com/some-path/to/a/file-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Dynamic Protocol Full Domain" & @CRLF & _ "//www.domain.com/" & @CRLF & _ "//www.domain.com/?with=queryString" & @CRLF & _ "//www.domain.com/#withAnchor" & @CRLF & _ "//www.domain.com/?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Dynamic Protocol (Full Domain) to File" & @CRLF & _ "//www.domain.com/with-file" & @CRLF & _ "//www.domain.com/with-file?with=queryString" & @CRLF & _ "//www.domain.com/with-file#withAnchor" & @CRLF & _ "//www.domain.com/with-file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Dynamic Protocol (Full Domain) to File With Extension" & @CRLF & _ "//www.domain.com/with-file-with.ext" & @CRLF & _ "//www.domain.com/with-file-with.ext?with=queryString" & @CRLF & _ "//www.domain.com/with-file-with.ext#withAnchor" & @CRLF & _ "//www.domain.com/with-file-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Dynamic Protocol (Full Domain), Path Leading to File" & @CRLF & _ "//www.domain.com/with/path/to/file" & @CRLF & _ "//www.domain.com/with/path/to/file?with=queryString" & @CRLF & _ "//www.domain.com/with/path/to/file#withAnchor" & @CRLF & _ "//www.domain.com/with/path/to/file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Dynamic Protocol (Full Domain), Path Leading to File With Extension" & @CRLF & _ "//www.domain.com/with/path/to/file-with.ext" & @CRLF & _ "//www.domain.com/with/path/to/file-with.ext?with=queryString" & @CRLF & _ "//www.domain.com/with/path/to/file-with.ext#withAnchor" & @CRLF & _ "//www.domain.com/with/path/to/file-with.ext?with=queryString#andAnchor" & @CRLF & _ "Root Relative File" & @CRLF & _ "/some-root-file" & @CRLF & _ "/some-root-file?with=queryString" & @CRLF & _ "/some-root-file#withAnchor" & @CRLF & _ "/some-root-file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Root Relative File With Extension" & @CRLF & _ "/root-file-with.ext" & @CRLF & _ "/root-file-with.ext?with=queryString" & @CRLF & _ "/root-file-with.ext#withAnchor" & @CRLF & _ "/root-file-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Root Path to File" & @CRLF & _ "/some-root-path/to/a/file" & @CRLF & _ "/some-root-path/to/a/file?with=queryString" & @CRLF & _ "/some-root-path/to/a/file#withAnchor" & @CRLF & _ "/some-root-path/to/a/file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Root Path to File With Extension" & @CRLF & _ "/some-root-path/to/a/file-with.ext" & @CRLF & _ "/some-root-path/to/a/file-with.ext?with=queryString" & @CRLF & _ "/some-root-path/to/a/file-with.ext#withAnchor" & @CRLF & _ "/some-root-path/to/a/file-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative (Same As Requestor) File" & @CRLF & _ "./relative-to-requester-file" & @CRLF & _ "./relative-to-requester-file?with=queryString" & @CRLF & _ "./relative-to-requester-file#withAnchor" & @CRLF & _ "./relative-to-requester-file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative (Same As Requestor) File With Extension" & @CRLF & _ "./relative-to-requester-file-with.ext" & @CRLF & _ "./relative-to-requester-file-with.ext?with=queryString" & @CRLF & _ "./relative-to-requester-file-with.ext#withAnchor" & @CRLF & _ "./relative-to-requester-file-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative (Same As Requestor) Path To File" & @CRLF & _ "./relative-to-requester-path/to/a/file" & @CRLF & _ "./relative-to-requester-path/to/a/file?with=queryString" & @CRLF & _ "./relative-to-requester-path/to/a/file#withAnchor" & @CRLF & _ "./relative-to-requester-path/to/a/file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative (Same As Requestor) Path To File With Extension" & @CRLF & _ "./relative-to-requester-path/to/a/file-with.ext" & @CRLF & _ "./relative-to-requester-path/to/a/file-with.ext?with=queryString" & @CRLF & _ "./relative-to-requester-path/to/a/file-with.ext#withAnchor" & @CRLF & _ "./relative-to-requester-path/to/a/file-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative (Above Requestor) File" & @CRLF & _ "../relative-file-up" & @CRLF & _ "../relative-file-up?with=queryString" & @CRLF & _ "../relative-file-up#withAnchor" & @CRLF & _ "../relative-file-up?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative (Above Requestor) File With Extension" & @CRLF & _ "../relative-file-up-with.ext" & @CRLF & _ "../relative-file-up-with.ext?with=queryString" & @CRLF & _ "../relative-file-up-with.ext#withAnchor" & @CRLF & _ "../relative-file-up-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative (two Above Requestor) File" & @CRLF & _ "../../relative-file-two-up" & @CRLF & _ "../../relative-file-two-up?with=queryString" & @CRLF & _ "../../relative-file-two-up#withAnchor" & @CRLF & _ "../../relative-file-two-up?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative (two Above Requestor) File With Extension" & @CRLF & _ "../../relative-file-two-up.ext" & @CRLF & _ "../../relative-file-two-up.ext?with=queryString" & @CRLF & _ "../../relative-file-two-up.ext#withAnchor" & @CRLF & _ "../../relative-file-two-up.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative (n Above Requestor) File" & @CRLF & _ "../../../../../../../../relative-file-n-up" & @CRLF & _ "../../../../../../../../relative-file-n-up?with=queryString" & @CRLF & _ "../../../../../../../../relative-file-n-up#withAnchor" & @CRLF & _ "../../../../../../../../relative-file-n-up?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative Path (Above Requestor) to File" & @CRLF & _ "../relative-path/up/to/a/file" & @CRLF & _ "../relative-path/up/to/a/file?with=queryString" & @CRLF & _ "../relative-path/up/to/a/file#withAnchor" & @CRLF & _ "../relative-path/up/to/a/file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative Path (Above Requestor) to File With Extension" & @CRLF & _ "../relative-path/up/to/a/file-with.ext" & @CRLF & _ "../relative-path/up/to/a/file-with.ext?with=queryString" & @CRLF & _ "../relative-path/up/to/a/file-with.ext#withAnchor" & @CRLF & _ "../relative-path/up/to/a/file-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative Path (Two Above Requestor) to File" & @CRLF & _ "../../relative-path/two/up/to/a/file" & @CRLF & _ "../../relative-path/two/up/to/a/file?with=queryString" & @CRLF & _ "../../relative-path/two/up/to/a/file#withAnchor" & @CRLF & _ "../../relative-path/two/up/to/a/file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative Path (Two Above Requestor) to File With Extension" & @CRLF & _ "../../relative-path/two/up/to/a/file-with.ext" & @CRLF & _ "../../relative-path/two/up/to/a/file-with.ext?with=queryString" & @CRLF & _ "../../relative-path/two/up/to/a/file-with.ext#withAnchor" & @CRLF & _ "../../relative-path/two/up/to/a/file-with.ext?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative Path (n Above Requestor) to File" & @CRLF & _ "../../../../../relative-path/n/up/to/a/file" & @CRLF & _ "../../../../../relative-path/n/up/to/a/file?with=queryString" & @CRLF & _ "../../../../../relative-path/n/up/to/a/file#withAnchor" & @CRLF & _ "../../../../../relative-path/n/up/to/a/file?with=queryString#andAnchor" & @CRLF & _ "" & @CRLF & _ "Relative Path (n Above Requestor) to File With Extension" & @CRLF & _ "../../../../../relative-path/n/up/to/a/file-with.ext" & @CRLF & _ "../../../../../relative-path/n/up/to/a/file-with.ext?with=queryString" & @CRLF & _ "../../../../../relative-path/n/up/to/a/file-with.ext#withAnchor" & @CRLF & _ "../../../../../relative-path/n/up/to/a/file-with.ext?with=queryString#andAnchor" & @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