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

/
/
gm

Test String

Substitution

Processing...

Code Generator

Generated Code

#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox Local $sRegex = "(?m)<((?!a|\/a)[^>]*)>\s*" Local $sString = "<html>" & @CRLF & _ "<head>" & @CRLF & _ "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">" & @CRLF & _ "<meta content=\"text/html; charset=us-ascii\">" & @CRLF & _ "<meta name=\"ProgId\" content=\"Word.Document\">" & @CRLF & _ "<meta name=\"Generator\" content=\"Microsoft Word 15\">" & @CRLF & _ "<meta name=\"Originator\" content=\"Microsoft Word 15\">" & @CRLF & _ "<style>" & @CRLF & _ "<!--" & @CRLF & _ "@font-face" & @CRLF & _ "\t{font-family:\"Cambria Math\"}" & @CRLF & _ "@font-face" & @CRLF & _ "\t{font-family:Calibri}" & @CRLF & _ "p.MsoNormal, li.MsoNormal, div.MsoNormal" & @CRLF & _ "\t{margin:0cm;" & @CRLF & _ "\tmargin-bottom:.0001pt;" & @CRLF & _ "\tfont-size:11.0pt;" & @CRLF & _ "\tfont-family:\"Calibri\",sans-serif}" & @CRLF & _ "a:link, span.MsoHyperlink" & @CRLF & _ "\t{color:#0563C1;" & @CRLF & _ "\ttext-decoration:underline}" & @CRLF & _ "a:visited, span.MsoHyperlinkFollowed" & @CRLF & _ "\t{color:#954F72;" & @CRLF & _ "\ttext-decoration:underline}" & @CRLF & _ "p.msonormal0, li.msonormal0, div.msonormal0" & @CRLF & _ "\t{margin-right:0cm;" & @CRLF & _ "\tmargin-left:0cm;" & @CRLF & _ "\tfont-size:11.0pt;" & @CRLF & _ "\tfont-family:\"Calibri\",sans-serif}" & @CRLF & _ "span.EmailStyle18" & @CRLF & _ "\t{font-family:\"Calibri\",sans-serif}" & @CRLF & _ ".MsoChpDefault" & @CRLF & _ "\t{font-size:10.0pt;" & @CRLF & _ "\tfont-family:\"Calibri\",sans-serif}" & @CRLF & _ "@page WordSection1" & @CRLF & _ "\t{margin:72.0pt 72.0pt 72.0pt 72.0pt}" & @CRLF & _ "div.WordSection1" & @CRLF & _ "\t{}" & @CRLF & _ "-->" & @CRLF & _ "</style>" & @CRLF & _ "</head>" & @CRLF & _ "<body lang=\"EN-GB\" link=\"#0563C1\" vlink=\"#954F72\" style=\"\">" & @CRLF & _ "<div class=\"WordSection1\">" & @CRLF & _ "<p class=\"MsoNormal\">I NEED TO HAVE THIS STRING</p>" & @CRLF & _ "<p class=\"MsoNormal\"> </p>" & @CRLF & _ "<p class=\"MsoNormal\"><span style=\"\">AND I NEED THE FOLLOWING ANCHOR" & @CRLF & _ "<a href=\"google.com\">" & @CRLF & _ " THIS ONE</a>.</span></p>" & @CRLF & _ "<p class=\"MsoNormal\"> </p>" & @CRLF & _ "</div>" & @CRLF & _ "</body>" & @CRLF & _ "</html>" & @CRLF & _ "" Local $sSubst = "" 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