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

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "(?m)^(?<exe>npm)?\ ?(?<run>(?<=\k<exe> )run(?:-script)?)?\ ?(?<command>(?<=\k<run> )[a-z]+(?:[-|:|.|_][a-z]+)?|(?<!\k<run> )[a-z]+(?:[-][a-z]+)?)?\ ?(?<pkgdetails>[a-z0-9\>\=\:\+\#\^\.\@\/][a-z0-9\>\=\:\+\#\^\~\.\@\/\-]+)?\ ?(?<options>(?:\ [-]{1,2}[a-zA-Z]+(?:[-][a-z]+)*)*)?$" Local $sString = "npm install cordova-browser@~5.0.1 --production --save" & @CRLF & _ "" & @CRLF & _ "npm install --no-package-lock" & @CRLF & _ "npm -v" & @CRLF & _ "" & @CRLF & _ "npm version major" & @CRLF & _ "npm version minor" & @CRLF & _ "npm version patch" & @CRLF & _ "" & @CRLF & _ "npm run build" & @CRLF & _ "npm run build:spypkg" & @CRLF & _ "npm run build-spypkg" & @CRLF & _ "npm run build.spypkg" & @CRLF & _ "npm run build_spypkg" & @CRLF & _ "npm run-script build:spypkg" & @CRLF & _ "npm run-script build-spypkg" & @CRLF & _ "npm run-script build.spypkg" & @CRLF & _ "npm run-script build_spypkg" & @CRLF & _ "" & @CRLF & _ "i sots --D" & @CRLF & _ "i sots --production" & @CRLF & _ "i sots --production --no-save" & @CRLF & _ "install sots --production --no-save" & @CRLF & _ "npm install sots --production --no-save" & @CRLF & _ "" & @CRLF & _ "npm install ./package.tgz" & @CRLF & _ "npm install https://github.com/indexzero/forever/tarball/v0.5.6" & @CRLF & _ "npm install sax" & @CRLF & _ "npm install sax -P" & @CRLF & _ "npm install sax -D" & @CRLF & _ "npm install sax -O" & @CRLF & _ "" & @CRLF & _ "i" & @CRLF & _ "" & @CRLF & _ "npm i" & @CRLF & _ "i sax" & @CRLF & _ "i sax -D" & @CRLF & _ "install" & @CRLF & _ "install sax -P" & @CRLF & _ "install sax -D" & @CRLF & _ "install sax -O" & @CRLF & _ "npm install githubname/reponame" & @CRLF & _ "npm install @myorg/privatepackage" & @CRLF & _ "npm install node-tap --save-dev" & @CRLF & _ "npm install dtrace-provider --save-optional" & @CRLF & _ "npm install readable-stream --save-exact" & @CRLF & _ "npm install ansi-regex --save-bundle" & @CRLF & _ "npm install sax@latest" & @CRLF & _ "npm install @myorg/mypackage@latest" & @CRLF & _ "npm install sax@0.1.1" & @CRLF & _ "npm install @myorg/privatepackage@1.5.0" & @CRLF & _ "npm install sax@">=0.1.0 <0.2.0"" & @CRLF & _ "npm install @myorg/privatepackage@">=0.1.0 <0.2.0"" & @CRLF & _ "npm install git+ssh://git@github.com:npm/cli.git#v1.0.27" & @CRLF & _ "npm install git+ssh://git@github.com:npm/cli#semver:^5.0" & @CRLF & _ "npm install git+https://isaacs@github.com/npm/cli.git" & @CRLF & _ "npm install git://github.com/npm/cli.git#v1.0.27" & @CRLF & _ "npm install mygithubuser/myproject" & @CRLF & _ "npm install github:mygithubuser/myproject" & @CRLF & _ "npm install gist:101a11beef" & @CRLF & _ "npm install bitbucket:mybitbucketuser/myproject" & @CRLF & _ "npm install gitlab:mygitlabuser/myproject" & @CRLF & _ "npm install gitlab:myusr/myproj#semver:^5.0" & @CRLF & _ "npm install sax@">=0.1.0 <0.2.0" bench supervisor" & @CRLF & _ "npm install sax --force" 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