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

/
/

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 $sRegex = "(?mis)^\bgeneral( #[0-9])?(.*?)^\s*$" Local $sString = "General" & @CRLF & _ "Complete name : C:\Projects\Foray\MediaEngine\SampleMedia\flv\small.flv" & @CRLF & _ "Format : Flash Video" & @CRLF & _ "File size : 296 KiB" & @CRLF & _ "Duration : 5s 560ms" & @CRLF & _ "Overall bit rate mode : Variable" & @CRLF & _ "Overall bit rate : 436 Kbps" & @CRLF & _ "Writing application : Lavf52.103.0" & @CRLF & _ "" & @CRLF & _ "Video" & @CRLF & _ "Format : Sorenson Spark" & @CRLF & _ "Codec ID : 2" & @CRLF & _ "Duration : 5s 560ms" & @CRLF & _ "Bit rate : 781 Kbps" & @CRLF & _ "Width : 320 pixels" & @CRLF & _ "Height : 240 pixels" & @CRLF & _ "Display aspect ratio : 4:3" & @CRLF & _ "Frame rate mode : Constant" & @CRLF & _ "Frame rate : 25.000 fps" & @CRLF & _ "Bit depth : 8 bits" & @CRLF & _ "Bits/(Pixel*Frame) : 0.407" & @CRLF & _ "Stream size : 530 KiB" & @CRLF & _ "" & @CRLF & _ "Audio" & @CRLF & _ "Format : MPEG Audio" & @CRLF & _ "Format version : Version 1" & @CRLF & _ "Format profile : Layer 3" & @CRLF & _ "Codec ID : 2" & @CRLF & _ "Codec ID/Hint : MP3" & @CRLF & _ "Duration : 5s 512ms" & @CRLF & _ "Bit rate mode : Variable" & @CRLF & _ "Bit rate : 63.8 Kbps" & @CRLF & _ "Channel(s) : 1 channel" & @CRLF & _ "Sampling rate : 44.1 KHz" & @CRLF & _ "Compression mode : Lossy" & @CRLF & _ "Stream size : 42.9 KiB (14%)" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH) ; Present the entire match result _ArrayDisplay($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