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
No Match

r"
"
gm

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)[\#(/)_\-\=\!\:]" Local $sString = "#/usr/bin/python3" & @CRLF & _ "from bisect import bisect_right" & @CRLF & _ "" & @CRLF & _ "def binary_search(vector,x):" & @CRLF & _ " i = bisect_right(vector,x)" & @CRLF & _ " if i != len(vector)+1 and vector[i-1] == x:" & @CRLF & _ " return i-1" & @CRLF & _ " return -1" & @CRLF & _ " " & @CRLF & _ "def is_prime(vector,number):" & @CRLF & _ " return 1 if binary_search(vector,number) != -1 else 0 " & @CRLF & _ " " & @CRLF & _ "def prime_vector(num):" & @CRLF & _ " ret = []" & @CRLF & _ " for a in range(2,num+1):" & @CRLF & _ " if a == 2 or a == 3 or a == 5 or a == 7 or a == 11:" & @CRLF & _ " ret.append(a)" & @CRLF & _ " elif a %2 == 0 or a%3 == 0 or a%5 == 0 or a%7==0 or a%11 == 0:" & @CRLF & _ " continue" & @CRLF & _ " else:" & @CRLF & _ " ret.append(a)" & @CRLF & _ " return ret" & @CRLF & _ " " & @CRLF & _ "number = int(input())" & @CRLF & _ "prime = prime_vector(number)" & @CRLF & _ "ret = []" & @CRLF & _ "p = 0" & @CRLF & _ "" & @CRLF & _ "while number:" & @CRLF & _ " if is_prime(prime,number):" & @CRLF & _ " ret.append(number)" & @CRLF & _ " break" & @CRLF & _ " elif number%prime[p] == 0:" & @CRLF & _ " ret.append(prime[p])" & @CRLF & _ " number = int(number / prime[p])" & @CRLF & _ " else:" & @CRLF & _ " p = p + 1" & @CRLF & _ " " & @CRLF & _ "for a in range((len(ret))):" & @CRLF & _ " print(ret[a],end=" ")" & @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