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)(?si)m_dwErrorCode\s*=\s*(?<code>\dx\d+);\s*_stprintf\(.*?\(.*?\((?<description>.*?)\).*?;\s*m_dwOutError\s*=\s*(?<error>[\w_]+);\s*m_OutSeverity\s*=\s*(?<severity>[\w_]+)" Local $sString = "m_dwErrorCode = 0; " & @CRLF & _ "m_dwOutError = HOP_OK; " & @CRLF & _ "m_OutSeverity = CCC_INFORMATION; " & @CRLF & _ "_stprintf(m_OutDevStr, _T(""));" & @CRLF & _ "if (0x00000000 & value)" & @CRLF & _ "{" & @CRLF & _ " " & @CRLF & _ " m_dwErrorCode = 0x0;" & @CRLF & _ " /* Ready state. */" & @CRLF & _ " // m_StatusStr = " Ready(eSTATUS_READY)";" & @CRLF & _ "}" & @CRLF & _ "if (0x00000001 & value)" & @CRLF & _ "{" & @CRLF & _ " m_bProceeding = true;" & @CRLF & _ " /* proceed */" & @CRLF & _ " //m_StatusStr = " Proceeding(eSTATUS)";" & @CRLF & _ "}" & @CRLF & _ "if (0x00002000 & value)" & @CRLF & _ "{" & @CRLF & _ " m_bEmpty = true;" & @CRLF & _ " // We only want to check this error only at certain times." & @CRLF & _ " if (m_bCheckEmpty)" & @CRLF & _ " {" & @CRLF & _ " if ((m_Attributes.dwMediaID == CUBE1) ||" & @CRLF & _ " (m_Attributes.dwMediaID == CUBE2) ||" & @CRLF & _ " /*(m_Attributes.dwMediaID == SCALLOPED) ||*/ // Added" & @CRLF & _ " (m_Attributes.dwMediaID == FOLDED))" & @CRLF & _ " {" & @CRLF & _ "" & @CRLF & _ " m_dwErrorCode = 0x00002000;" & @CRLF & _ " _stprintf(m_OutDevStr, _T("0x1000 - %s(MP Tray Empty)"), errorStr);" & @CRLF & _ " m_dwOutError = HOP_TRAY_EMPTY;" & @CRLF & _ " m_OutSeverity = CCC_INFORMATION;" & @CRLF & _ " }" & @CRLF & _ " }" & @CRLF & _ " //HOP_TRAY_EMPTY" & @CRLF & _ " ///* MSI empty. */" & @CRLF & _ " //m_bTrayEmpty = true;" & @CRLF & _ " //// m_StatusStr = " MSI empty(eSTATUS_MSI_EMPTY)";" & @CRLF & _ "}" & @CRLF & _ "if (0x00004000 & value)" & @CRLF & _ "{" & @CRLF & _ " /* empty. */" & @CRLF & _ " m_dwErrorCode = 0x4000;" & @CRLF & _ " _stprintf(m_OutDevStr, _T("0x4000 - %s(Tray 1 empty)"), errorStr);" & @CRLF & _ " m_dwOutError = HOP_TRAY_01_EMPTY;" & @CRLF & _ " m_OutSeverity = CCC_INFORMATION;" & @CRLF & _ "}" & @CRLF & _ "if (0x00008000 & value)" & @CRLF & _ "{" & @CRLF & _ " /* Tray 2 empty. */" & @CRLF & _ " m_dwErrorCode = 0x8000;" & @CRLF & _ " _stprintf(m_OutDevStr, _T("0x8000 - %s(Tray 2 empty)"), errorStr);" & @CRLF & _ " m_dwOutError = HOP_TRAY_02_EMPTY;" & @CRLF & _ " m_OutSeverity = CCC_INFORMATION;" & @CRLF & _ "}" & @CRLF & _ "if (0x00010000 & value)" & @CRLF & _ "{" & @CRLF & _ " /* Tray 3 empty. */" & @CRLF & _ " m_dwErrorCode = 0x10000;" & @CRLF & _ " _stprintf(m_OutDevStr, _T("0x10000 - %s(Tray 3 empty)"), errorStr);" & @CRLF & _ " m_dwOutError = HOP_TRAY_03_EMPTY;" & @CRLF & _ " m_OutSeverity = CCC_INFORMATION;" & @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