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

/
/
gs

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 = "(?s)<%.*?%>" Local $sString = "<%@ page import="java.io.*,java.util.*" %>" & @CRLF & _ "<html>" & @CRLF & _ " <head>" & @CRLF & _ " <title>Auto Refresh</title>" & @CRLF & _ " </head>" & @CRLF & _ " <body>" & @CRLF & _ " <fieldset style="width:20%; background-color:#e6ffe6;">" & @CRLF & _ " <legend>Auto refresh</legend>" & @CRLF & _ " <h2>Auto Refresh Example</h2>" & @CRLF & _ " <%" & @CRLF & _ " // Set refresh, autoload time as 1 seconds" & @CRLF & _ " response.setIntHeader("Refresh", 1);" & @CRLF & _ " // Get current time" & @CRLF & _ " Calendar calendar = new GregorianCalendar();" & @CRLF & _ " String am_pm;" & @CRLF & _ " int hour = calendar.get(Calendar.HOUR);" & @CRLF & _ " int minute = calendar.get(Calendar.MINUTE);" & @CRLF & _ " int second = calendar.get(Calendar.SECOND);" & @CRLF & _ " if(calendar.get(Calendar.AM_PM) == 0)" & @CRLF & _ " am_pm = "AM";" & @CRLF & _ " else" & @CRLF & _ " am_pm = "PM";" & @CRLF & _ " String CT = hour+":"+ minute +":"+ second +" "+ am_pm;" & @CRLF & _ " out.println("Crrent Time: " + CT + "\n");" & @CRLF & _ " %>" & @CRLF & _ " </fieldset>" & @CRLF & _ " </body>" & @CRLF & _ "</html>" 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