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

/
/
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 $sRegex = "(?m)\d{1,3}\.\s[a-zA-Z\d\?\.\s].+$\n\s(a?\)\s[a-zA-Z].+).+\n\s(b?\)\s[A-Za-z].+).+\n\s(c\).[a-zA-Z].+)" Local $sString = "617. What would you like to eat for lunch? …, I don’t mind." & @CRLF & _ " a) Nothing" & @CRLF & _ " b) Anything" & @CRLF & _ " c) Something" & @CRLF & _ "618. Where do you want to go on holiday? … with a beach." & @CRLF & _ " a) Somewhere" & @CRLF & _ " b) Nowhere" & @CRLF & _ "613. You look familiar. Haven’t I seen you … before?" & @CRLF & _ " a) nowhere" & @CRLF & _ " b) anywhere" & @CRLF & _ " c) somewhere" & @CRLF & _ "614. She left the room without saying … ." & @CRLF & _ " a) nothing" & @CRLF & _ " b) anything" & @CRLF & _ " c) everything" & @CRLF & _ "615. I have never been … more beautiful than Thailand." & @CRLF & _ " a) somewhere" & @CRLF & _ " b) nowhere" & @CRLF & _ " c) anywhere" & @CRLF & _ "616. Who was at the party? …, so something very bad must have happened." & @CRLF & _ " a) No one" & @CRLF & _ " b) Anyone" & @CRLF & _ " c) Everyone" & @CRLF & _ "617. What would you like to eat for lunch? …, I don’t mind." & @CRLF & _ " a) Nothing" & @CRLF & _ " b) Anything" & @CRLF & _ " c) Something" & @CRLF & _ "618. Where do you want to go on holiday? … with a beach." & @CRLF & _ " a) Somewhere" & @CRLF & _ " b) Nowhere" & @CRLF & _ " c) Anywhere" & @CRLF & _ "619. I have … to say to you. Goodbye!" & @CRLF & _ " a) nothing" & @CRLF & _ " b) everything" & @CRLF & _ " c) something" & @CRLF & _ "620. I felt so good being on stage. I was sure that … was looking at me." & @CRLF & _ " a) someone" & @CRLF & _ " b) everyone" & @CRLF & _ " c) no one" & @CRLF & _ "621. Can you please … some money until next week?" & @CRLF & _ " a) lend " & @CRLF & _ " b) borrow" & @CRLF & _ " c) give" & @CRLF & _ "622. I decided to invest in the commodities as the … on offer from bank was extremely low." & @CRLF & _ " a) tax " & @CRLF & _ " b) rent " & @CRLF & _ " c) interest" & @CRLF & _ "623. Many retailers refuse to exchange purchases unless you can show them your … ." & @CRLF & _ " a) receipt" & @CRLF & _ " b) bill" & @CRLF & _ " c) Anywhere" & @CRLF & _ "619. I have … to say to you. Goodbye!" & @CRLF & _ " a) nothing" 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