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

/
/
mg

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 $sRegex = "(?m)^(([NnSs+-])?([0-8]?\d(\.\d*)?|90(\.0*)?)([°˚º^~*NnSs+-])*)([,:;\s|\/\\-]+)(([EeWw+-])*([0]?\d?\d(\.\d*)?|1[0-7]\d(\.\d*)?|180(\.0*)?)[°˚º^~*]*([EeWw+-])*)[\s]*$" Local $sString = "//check all zeros" & @CRLF & _ "0 0" & @CRLF & _ "0.0 0.0" & @CRLF & _ "0.000 0.000" & @CRLF & _ "0.0000 0.0000" & @CRLF & _ "" & @CRLF & _ "//check plus and minus signs" & @CRLF & _ "+0 0" & @CRLF & _ "+0.0 0.0" & @CRLF & _ "+0.000 0.000" & @CRLF & _ "+0.0000 0.0000" & @CRLF & _ "" & @CRLF & _ "0 +0" & @CRLF & _ "0.0 +0.0" & @CRLF & _ "0.000 +0.000" & @CRLF & _ "0.0000 +0.0000" & @CRLF & _ "" & @CRLF & _ "+0 +0" & @CRLF & _ "+0.0 +0.0" & @CRLF & _ "+0.000 +0.000" & @CRLF & _ "+0.0000 +0.0000" & @CRLF & _ "" & @CRLF & _ "-0 0" & @CRLF & _ "-0.0 0.0" & @CRLF & _ "-0.000 0.000" & @CRLF & _ "-0.0000 0.0000" & @CRLF & _ "" & @CRLF & _ "0 -0" & @CRLF & _ "0.0 -0.0" & @CRLF & _ "0.000 -0.000" & @CRLF & _ "0.0000 -0.0000" & @CRLF & _ "" & @CRLF & _ "-0 -0" & @CRLF & _ "-0.0 -0.0" & @CRLF & _ "-0.000 -0.000" & @CRLF & _ "-0.0000 -0.0000" & @CRLF & _ "" & @CRLF & _ "0+ 0" & @CRLF & _ "0.0+ 0.0" & @CRLF & _ "0.000+ 0.000" & @CRLF & _ "0.0000+ 0.0000" & @CRLF & _ "" & @CRLF & _ "0 0+" & @CRLF & _ "0.0 0.0+" & @CRLF & _ "0.000 0.000+" & @CRLF & _ "0.0000 0.0000+" & @CRLF & _ "" & @CRLF & _ "0- 0" & @CRLF & _ "0.0- 0.0" & @CRLF & _ "0.000- 0.000" & @CRLF & _ "0.0000- 0.0000" & @CRLF & _ "" & @CRLF & _ "0 0-" & @CRLF & _ "0.0 0.0-" & @CRLF & _ "0.000 0.000-" & @CRLF & _ "0.0000 0.0000-" & @CRLF & _ "" & @CRLF & _ "0+ 0+" & @CRLF & _ "0.0+ 0.0+" & @CRLF & _ "0.000+ 0.000+" & @CRLF & _ "0.0000+ 0.0000+" & @CRLF & _ "" & @CRLF & _ "0- 0-" & @CRLF & _ "0.0- 0.0-" & @CRLF & _ "0.000- 0.000-" & @CRLF & _ "0.0000- 0.0000-" & @CRLF & _ "" & @CRLF & _ "//check hemipshere" & @CRLF & _ "0N 0" & @CRLF & _ "0.0N 0.0" & @CRLF & _ "0.000N 0.00" & @CRLF & _ "0.0000N 0.000" & @CRLF & _ "" & @CRLF & _ "0N 0E" & @CRLF & _ "0.0N 0.0E" & @CRLF & _ "0.000N 0.00E" & @CRLF & _ "0.0000N 0.000E" & @CRLF & _ "" & @CRLF & _ "0N 0W" & @CRLF & _ "0.0N 0.0W" & @CRLF & _ "0.000N 0.00W" & @CRLF & _ "0.0000N 0.000W" & @CRLF & _ "" & @CRLF & _ "0S 0" & @CRLF & _ "0.0S 0" & @CRLF & _ "0.000S 0" & @CRLF & _ "0.0000S 0" & @CRLF & _ "" & @CRLF & _ "0S 0E" & @CRLF & _ "0.0S 0.0E" & @CRLF & _ "0.000S 0.00E" & @CRLF & _ "0.0000S 0.000E" & @CRLF & _ "" & @CRLF & _ "0S 0W" & @CRLF & _ "0.0S 0.0W" & @CRLF & _ "0.000S 0.00W" & @CRLF & _ "0.0000S 0.000W" & @CRLF & _ "" & @CRLF & _ "//check degree symbols" & @CRLF & _ "0° 0°" & @CRLF & _ "0.0° 0.0°" & @CRLF & _ "0.000° 0.000°" & @CRLF & _ "0.0000° 0.0000°" & @CRLF & _ "" & @CRLF & _ "0˚ 0˚" & @CRLF & _ "0.0˚ 0.0˚" & @CRLF & _ "0.000˚ 0.000˚" & @CRLF & _ "0.0000˚ 0.0000˚" & @CRLF & _ "" & @CRLF & _ "0º 0º" & @CRLF & _ "0.0º 0.0º" & @CRLF & _ "0.000º 0.000º" & @CRLF & _ "0.0000º 0.0000º" & @CRLF & _ "" & @CRLF & _ "0^ 0^" & @CRLF & _ "0.0^ 0.0^" & @CRLF & _ "0.000^ 0.000^" & @CRLF & _ "0.0000^ 0.0000^" & @CRLF & _ "" & @CRLF & _ "0* 0*" & @CRLF & _ "0.0* 0.0*" & @CRLF & _ "0.000* 0.000*" & @CRLF & _ "0.0000* 0.0000*" & @CRLF & _ "" & @CRLF & _ "0~ 0~" & @CRLF & _ "0.0~ 0.0~" & @CRLF & _ "0.000~ 0.000~" & @CRLF & _ "0.0000~ 0.0000~" & @CRLF & _ "" & @CRLF & _ "//check sperators" & @CRLF & _ "" & @CRLF & _ "0,0" & @CRLF & _ "0.0,0.0" & @CRLF & _ "0.000,0.000" & @CRLF & _ "0.0000,0.0000" & @CRLF & _ "" & @CRLF & _ "0-0" & @CRLF & _ "0.0-0.0" & @CRLF & _ "0.000-0.000" & @CRLF & _ "0.0000-0.0000" & @CRLF & _ "" & @CRLF & _ "0:0" & @CRLF & _ "0.0:0.0" & @CRLF & _ "0.000:0.000" & @CRLF & _ "0.0000:0.0000" & @CRLF & _ "" & @CRLF & _ "0;0" & @CRLF & _ "0.0;0.0" & @CRLF & _ "0.000;0.000" & @CRLF & _ "0.0000;0.0000" & @CRLF & _ "" & @CRLF & _ "0|0" & @CRLF & _ "0.0|0.0" & @CRLF & _ "0.000|0.000" & @CRLF & _ "0.0000|0.0000" & @CRLF & _ "" & @CRLF & _ "0/0" & @CRLF & _ "0.0/0.0" & @CRLF & _ "0.000/0.000" & @CRLF & _ "0.0000/0.0000" & @CRLF & _ "" & @CRLF & _ "0\0" & @CRLF & _ "0.0\0.0" & @CRLF & _ "0.000\0.000" & @CRLF & _ "0.0000\0.0000" & @CRLF & _ "" & @CRLF & _ "90,180" & @CRLF & _ "45,45" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "//invalid" & @CRLF & _ "90.123 0.0" & @CRLF & _ "91.0 0" & @CRLF & _ "91.00 0" & @CRLF & _ "91.0 0.0" & @CRLF & _ "91.00 0.00" & @CRLF & _ "0 180.1" & @CRLF & _ "0 181" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" 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