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

/
/
gmx

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 = "(?mx)^(?i)\s*("?)(?>(?<colname>\w+))\1" & @CRLF & _ " \s+" & @CRLF & _ " (?:(?<type>\b\w+\b)\s*(?:\((?<typepars>(?:\w|\s|\,|\*)+)\))?)" & @CRLF & _ " \s*" & @CRLF & _ " (\bdefault\s+(?<defaultval>(\(?)(null|\w+|\'\s\')+?\)?))?" & @CRLF & _ " \s*" & @CRLF & _ " (?:(?:\bconstraint\s+(")(?<constraint_name>\w+)\9\s+)?(?<nullable>not\s+null\b)\s+enable)?" & @CRLF & _ " (,?)(\s*)(?-i)$" Local $sString = ""a1" NUMBER(10,0) CONSTRAINT "ca1" NOT NULL ENABLE, " & @CRLF & _ " "a2" NUMBER(10,0) CONSTRAINT "ca2" NOT NULL ENABLE, " & @CRLF & _ " "a3" NUMBER(14,0) DEFAULT 0 CONSTRAINT "ca3" NOT NULL ENABLE, " & @CRLF & _ " "a4" VARCHAR2(60 CHAR), " & @CRLF & _ " "a5" NUMBER(10,0), " & @CRLF & _ " "a6" NUMBER(10,0) DEFAULT 0 CONSTRAINT "ca6" NOT NULL ENABLE, " & @CRLF & _ " "a7" NUMBER(5,0) DEFAULT 0 CONSTRAINT "ca7" NOT NULL ENABLE, " & @CRLF & _ " "a8" NUMBER(5,0) DEFAULT 0 CONSTRAINT "ca8" NOT NULL ENABLE, " & @CRLF & _ " "abc" TIMESTAMP (6) DEFAULT SYSDATE NOT NULL ENABLE, " & @CRLF & _ " "def" CHAR(3 CHAR) NOT NULL ENABLE, " & @CRLF & _ " "ghi" CHAR(3 CHAR) NOT NULL ENABLE, " & @CRLF & _ " "XML" CLOB NOT NULL ENABLE, " & @CRLF & _ " "jkl" CHAR(6 CHAR), " & @CRLF & _ " "mno" NUMBER(*,0), " & @CRLF & _ " "pqr" NUMBER(*,0) DEFAULT (0) NOT NULL ENABLE, " 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