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

@"
"
gxmn

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 = "(?xmn)\[\[(" & @CRLF & _ " # link, and optional anchor" & @CRLF & _ " (?<link>[^\|\#\]]+)?(\#(?<anchor>[^\|\]]+))? " & @CRLF & _ " # display title (optional)" & @CRLF & _ " (\|(?<title>[^|\]]+))? " & @CRLF & _ " # tooltip (optional)" & @CRLF & _ " (\|(?<tooltip>[^|\]]+))? " & @CRLF & _ ")\]\]" Local $sString = "# Entry" & @CRLF & _ "" & @CRLF & _ "## Definition" & @CRLF & _ "A published announcement made by a trusted [[Emitter]], detailing an event that occurred on their platform. " & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "## Specifications (3.0)" & @CRLF & _ "#v3_0 " & @CRLF & _ "" & @CRLF & _ "A trustlist entry follows a basic structure, with parts being omitted during ingest, as these are filled by the receiving [[Directory]], responsible for the good tenure of this entry, and its correlation to existing data." & @CRLF & _ "" & @CRLF & _ "As SocialGuard 1.0 to 3.0 tied its data to the [Discord](https://discord.com) [[Platform]], all data types are bound to that end." & @CRLF & _ "" & @CRLF & _ "| Property | Type | Description | Requirement |" & @CRLF & _ "| -------- | ---- | ----------- | ----------- |" & @CRLF & _ "| `id` | Guid | ID of the entry. | Set by API |" & @CRLF & _ "| `userId` | UInt64 | ID of the receiving [[User]]. | Required |" & @CRLF & _ "| `entryAt` | DateTime | Date/Time at which the entry was emitted on the [[Directory]]. | Set by API |" & @CRLF & _ "| `lastEscalated` | DateTime | Date/Time at which the entry was last escalated/edited. | Set by API |" & @CRLF & _ "| `emitterId` | String | ID of the [[Emitter]] responsible for this Entry. | Set by API |" & @CRLF & _ "| `emitter` | [[Emitter#Specifications (3.0)]] | Details of the [[Emitter]] responsible for this entry. | Set by API |" & @CRLF & _ "| `escalationLevel` | [[#Range: Escalation level (3.0)]] | Escalation/Severity level of the events indicated by this entry. | Required |" & @CRLF & _ "| `escalationNote` | String | Details of the event that led to this entry. | Required |" & @CRLF & _ "" & @CRLF & _ "### Range: Escalation level (3.0)" & @CRLF & _ "This range defines the severity of an event leading to an entry. It is ranged by severity level and ordered from lowest to highest severity :" & @CRLF & _ "" & @CRLF & _ "1. **Suspicious**" & @CRLF & _ " The [[User]] is marked as suspicious. Their behaviour should be monitored." & @CRLF & _ "2. **Untrusted**" & @CRLF & _ " The [[User]] is marked as untrusted. It is advised to exercise caution when interacting with them." & @CRLF & _ "3. **Blacklisted**" & @CRLF & _ " The [[User]] is deemed dangerous. Banning this user is greatly advised." & @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