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

/
/
gm

Test String

Code Generator

Language

Generated Code

$re = '/=\s?.*(?:((?i)Fields\("(\w+)"\)\.Value\)*?))/m'; $str = 'Function lmpRoundedEndTime_ValueChanged(sender, e) If CDbl(Fields("lmpShiftID").Value) <> 0 And IsNull(Fields("lmpRoundedStartTime").Value) = False And IsNull(Fields("lmpRoundedEndTime").Value) = False Then If CInt(App.Props("PN").Fields("xapDCPayCalculationMethod").Value) <> 2 Then Fields("lmpPayrollHours").Value = App.Ax("TimecardFunctions").CalculateHours(Fields("lmpShiftID").Value,Fields("lmpRoundedStartTime").Value,Fields("lmpRoundedEndTime").Value) \'\'\'\'\'\'\'\'\'\'\'\' ^ above should capture: lmpShiftID , lmpRoundedStartTime , lmpRoundedEndTime End If End If End Function Function TimecardLines_SetDefaultValues(sender, e) Dim oRs,dTimecardDate dTimecardDate = Null Set oRs = CreateObject("ADODB.Recordset") oRs.Open "select lmpEmployeeID,lmpShiftID,lmpTimecardDate,lmpProjectID from Timecards where lmpTimecardID = " + App.Convert.NumberToSql(Fields("lmlTimecardID").Value),Connection,adOpenStatic,adLockReadOnly,adCmdText If oRs.EOF = False Then Fields("lmlEmployeeID").Value = oRs.Fields("lmpEmployeeID").Value Fields("lmlShiftID").Value = oRs.Fields("lmpShiftID").Value Fields("lmlProjectID").Value = oRs.Fields("lmpProjectID").Value dTimecardDate = oRs.Fields("lmpTimecardDate").Value End If oRs.Close oRs.Open "select top 1 lmlRoundedEndTime From TimecardLines Where lmlTimecardID = " + App.Convert.NumberToSql(Fields("lmlTimecardID").Value) + " Order By lmlRoundedEndTime Desc",Connection,adOpenStatic,adLockReadOnly,adCmdText If oRs.EOF = False Then Fields("lmlRoundedStartTime").Value = oRs.Fields("lmlRoundedEndTime").Value Else Fields("lmlRoundedStartTime").Value = App.Ax("Shift").GetDayStartTime(Fields("lmlShiftID").Value, dTimecardDate, e.SqlTransaction) \' Added to to fix -rounded end time is earlier than the rounded start time error when changing the labor hours \'Fields("lmlRoundedEndTime").Value=Fields("lmlRoundedStartTime").Value End If oRs.Close If Trim(Fields("lmlEmployeeID").Value) <> "" Then oRs.Open "select lmeDirectExpenseID,lmeIndirectExpenseID,lmeDefaultWorkCenterID from Employees where lmeEmployeeID = " + App.Convert.StringToSql(Fields("lmlEmployeeID").Value),Connection,adOpenStatic,adLockReadOnly,adCmdText If oRs.EOF = False Then If CInt(Fields("lmlTimecardType").Value) = 1 Then If Trim(oRs.Fields("lmeDirectExpenseID").Value) <> "" Then Fields("lmlExpenseID").Value = oRs.Fields("lmeDirectExpenseID").Value End If Else If Trim(oRs.Fields("lmeIndirectExpenseID").Value) <> "" Then Fields("lmlExpenseID").Value = oRs.Fields("lmeIndirectExpenseID").Value End If End If If CInt(Fields("lmlTimecardType").Value) = 2 Then If Trim(oRs.FIelds("lmeDefaultWorkCenterID").Value) <> "" Then Fields("lmlWorkCenterID").Value = oRs.FIelds("lmeDefaultWorkCenterID").Value End If End If End If oRs.Close End If End Function'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php