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
Processing...

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 = "(?:```.*\s+|\s+```)" Local $sString = "```html" & @CRLF & _ "<head>" & @CRLF & _ " <meta charset="UTF-8">" & @CRLF & _ " <meta name="viewport" content="width=device-width, initial-scale=1.0">" & @CRLF & _ " <title>BPA vs. RPA</title>" & @CRLF & _ " <style>" & @CRLF & _ " table {" & @CRLF & _ " width: 80%;" & @CRLF & _ " margin: 20px auto;" & @CRLF & _ " border-collapse: collapse;" & @CRLF & _ " font-family: Arial, sans-serif;" & @CRLF & _ " background-color: #f9f9f9;" & @CRLF & _ " box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);" & @CRLF & _ " }" & @CRLF & _ " th, td {" & @CRLF & _ " padding: 15px;" & @CRLF & _ " text-align: left;" & @CRLF & _ " border-bottom: 1px solid #ddd;" & @CRLF & _ " }" & @CRLF & _ " th {" & @CRLF & _ " background-color: #ff785b;" & @CRLF & _ " color: white;" & @CRLF & _ " text-transform: uppercase;" & @CRLF & _ " }" & @CRLF & _ " tr:hover {" & @CRLF & _ " background-color: #f1f1f1;" & @CRLF & _ " }" & @CRLF & _ " tr:nth-child(even) {" & @CRLF & _ " background-color: #f2f2f2;" & @CRLF & _ " }" & @CRLF & _ " </style>" & @CRLF & _ "</head>" & @CRLF & _ "<body>" & @CRLF & _ " <table>" & @CRLF & _ " <tr>" & @CRLF & _ " <th>Aspect</th>" & @CRLF & _ " <th>Manual Collection</th>" & @CRLF & _ " <th>API-Based Collection</th>" & @CRLF & _ " </tr>" & @CRLF & _ " <tr>" & @CRLF & _ " <td>Speed</td>" & @CRLF & _ " <td>Slow</td>" & @CRLF & _ " <td>Fast</td>" & @CRLF & _ " </tr>" & @CRLF & _ " <tr>" & @CRLF & _ " <td>Accuracy</td>" & @CRLF & _ " <td>3-4% error rate</td>" & @CRLF & _ " <td>Very accurate</td>" & @CRLF & _ " </tr>" & @CRLF & _ " <tr>" & @CRLF & _ " <td>Data Volume</td>" & @CRLF & _ " <td>Limited</td>" & @CRLF & _ " <td>High capacity</td>" & @CRLF & _ " </tr>" & @CRLF & _ " <tr>" & @CRLF & _ " <td>Cost</td>" & @CRLF & _ " <td>Higher (labor)</td>" & @CRLF & _ " <td>Lower long-term</td>" & @CRLF & _ " </tr>" & @CRLF & _ " <tr>" & @CRLF & _ " <td>Consistency</td>" & @CRLF & _ " <td>Variable</td>" & @CRLF & _ " <td>Uniform</td>" & @CRLF & _ " </tr>" & @CRLF & _ " </table>" & @CRLF & _ "</body>" & @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