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

Substitution

Processing...

Code Generator

Generated Code

#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox Local $sRegex = "(?m)^(([.#]?[\w:>]+,?\s*)+){" Local $sString = ".rn_CircleImage {" & @CRLF & _ " float: right;" & @CRLF & _ " color: white;" & @CRLF & _ " margin-right: 4vw;" & @CRLF & _ " border: 1px solid black;" & @CRLF & _ " background: black;" & @CRLF & _ " border-radius: 50%;" & @CRLF & _ " /* padding-bottom: 20%; */" & @CRLF & _ " width: 280px;" & @CRLF & _ " height: 280px;" & @CRLF & _ " margin-top: -260px;" & @CRLF & _ " text-align: center;" & @CRLF & _ " vertical-align: middle;" & @CRLF & _ " position: relative;" & @CRLF & _ " margin-bottom: 4%;" & @CRLF & _ " -moz-border-radius: 50%;" & @CRLF & _ " -webkit-border-radius: 50%;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".rn_Hero .rn_HeroInner {" & @CRLF & _ " background-image: url("/euf/assets/themes/standard/images/CS11572.jpg") !important;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".rn_CircleImage .textContainer {" & @CRLF & _ " height: 200px;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".dot," & @CRLF & _ ".period {" & @CRLF & _ " cursor: pointer;" & @CRLF & _ " height: 10px;" & @CRLF & _ " width: 10px;" & @CRLF & _ " background-color: #717171;" & @CRLF & _ " border-radius: 50%;" & @CRLF & _ " display: inline-block;" & @CRLF & _ " position: relative;" & @CRLF & _ " transition: background-color 0.6s ease;" & @CRLF & _ " bottom: -35px;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".active, .dot:hover {" & @CRLF & _ " background-color: #ffffff;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".rn_CircleImage>li>a {" & @CRLF & _ " color: #FFFFFF;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".urltext a {" & @CRLF & _ " color: #FFFFFF;" & @CRLF & _ " line-height: 24px;" & @CRLF & _ " font-family: "CS-Type-EP", "Helvetica Neue", Helvetica, Arial, sans-serif;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".top {" & @CRLF & _ " font-size: 1em;" & @CRLF & _ " font-family: "CS-Type-EP", "Helvetica Neue", Helvetica, Arial, sans-serif;" & @CRLF & _ " line-height: 24px;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".bottom {" & @CRLF & _ " font-size: 1em;" & @CRLF & _ " font-family: "CS-Type-EP", "Helvetica Neue", Helvetica, Arial, sans-serif;" & @CRLF & _ " line-height: 24px;" & @CRLF & _ " margin-bottom: 6px;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".main {" & @CRLF & _ " font-size: 1.87em;" & @CRLF & _ " font-family: "CreditSuisseHeadlineWebRegular", "Helvetica Neue", Helvetica, Arial, sans-serif;" & @CRLF & _ " line-height: 34px;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".slide>li {" & @CRLF & _ " width: 100%;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ "ul.slide {" & @CRLF & _ " width: auto !important;" & @CRLF & _ " padding-left: 10%;" & @CRLF & _ " padding-right: 10%;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".slide>li:after {" & @CRLF & _ " content: "";" & @CRLF & _ " display: inline;" & @CRLF & _ " width: 50%;" & @CRLF & _ " height: 0;" & @CRLF & _ " padding-bottom: 50%;" & @CRLF & _ " background: #4679BD;" & @CRLF & _ " -moz-border-radius: 50%;" & @CRLF & _ " -webkit-border-radius: 50%;" & @CRLF & _ " border-radius: 50%;" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ ".urltext a {" & @CRLF & _ " color: #FFFFFF;" & @CRLF & _ " line-height: 30px;" & @CRLF & _ " font-family: "CS-Type-EP", "Helvetica Neue", Helvetica, Arial, sans-serif;" & @CRLF & _ " background: transparent url(/euf/assets/themes/standard/images/icons/arrow-right-white.svg) no-repeat right center;" & @CRLF & _ " padding-right: 1.7em;" & @CRLF & _ " background-size: 1em;" & @CRLF & _ " position: absolute;" & @CRLF & _ " transition: background-color 0.6s ease;" & @CRLF & _ " bottom: 18%;" & @CRLF & _ " right: 28%;" & @CRLF & _ "}" Local $sSubst = "#prefix $1{" Local $sResult = StringRegExpReplace($sString, $sRegex, $sSubst) MsgBox($MB_SYSTEMMODAL, "Result", $sResult)

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