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

/
/
msi

Test String

Substitution

Processing...

Code Generator

Generated Code

#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox Local $sRegex = "(?msi)(?smi)^.*tag="[A-Z]_([A-Z]{2})_(\d{4}).*$" Local $sString = "<?xml version="1.0"?>" & @CRLF & _ "-<PEGraphic gridSpaceY="100" gridSpaceX="100" bkgdImage="" gridColor="#333333" paperColor="#000000" width="19600" height="14200" version="5">" & @CRLF & _ "<Font height="120" name="Arial"/>" & @CRLF & _ "-<Polyline backFill="yes" backColor="#FFFFFF">" & @CRLF & _ "<Location right="6020" bottom="12445" left="6018" top="11741"/>" & @CRLF & _ "<Pen width="2" style="solid" color="#00FF00"/>" & @CRLF & _ "<Brush style="hollow" color="#00FF00"/>" & @CRLF & _ "<Point y="11741" x="6019"/>" & @CRLF & _ "<Point y="12445" x="6019"/>" & @CRLF & _ "</Polyline>" & @CRLF & _ "-<Polyline backFill="yes" backColor="#E0E0E0">" & @CRLF & _ "<Location right="3365" bottom="12835" left="3363" top="11741"/>" & @CRLF & _ "<Pen width="2" style="solid" color="#00FF00"/>" & @CRLF & _ "<Brush style="hollow" color="#00FF00"/>" & @CRLF & _ "<Point y="11741" x="3364"/>" & @CRLF & _ "<Point y="12835" x="3364"/>" & @CRLF & _ "</Polyline>" & @CRLF & _ "-<Polyline backFill="yes" backColor="#FFFFFF">" & @CRLF & _ "<Location right="4627" bottom="6800" left="4521" top="5100"/>" & @CRLF & _ "<Pen width="2" style="solid" color="#00FF00"/>" & @CRLF & _ "<Brush style="hollow" color="#00FF00"/>" & @CRLF & _ "<Datasource stepped="no" server="USFRPVMESPOLYOL" map="IP_DIMAP" field="VAL" tag="p_dc_1730"/>" & @CRLF & _ "-<Animation on="yes">" & @CRLF & _ "<AnimationRange color="#666666" image="" text="act sp" max="0" min="0" index="1"/>" & @CRLF & _ "<AnimationRange color="#00FF00" image="" text="act sp" max="1" min="1" index="2"/>" & @CRLF & _ "</Animation>" & @CRLF & _ "<Point y="5100" x="4627"/>" & @CRLF & _ "<Point y="6800" x="4627"/>" & @CRLF & _ "</Polyline>" & @CRLF & _ "-<Polyline backFill="yes" backColor="#FFFFFF">" & @CRLF & _ "<Location right="3719" bottom="4394" left="1918" top="3300"/>" & @CRLF & _ "<Pen width="2" style="solid" color="#00FF00"/>" & @CRLF & _ "<Brush style="hollow" color="#00FF00"/>" & @CRLF & _ "<Datasource stepped="no" server="USFRPVMESPOLYOL" map="" field="VAL" tag="P_DC_2103"/>" & @CRLF & _ "-<Animation on="yes">" & @CRLF & _ "<AnimationRange color="#666666" image="" text="act sp" max="0" min="0" index="1"/>" & @CRLF & _ "<AnimationRange color="#00FF00" image="" text="act sp" max="1" min="1" index="2"/>" & @CRLF & _ "</Animation>" & @CRLF & _ "<Point y="4394" x="3718"/>" & @CRLF & _ "<Point y="4098" x="3718"/>" & @CRLF & _ "<Point y="4098" x="1918"/>" & @CRLF & _ "<Point y="3300" x="1918"/>" & @CRLF & _ "</Polyline>" & @CRLF & _ "" Local $sSubst = "CG $1($2)" 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