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

`
`
mg

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 $sRegex = "(?m)^Benchmark.*([^EncodingJson][^JsonIter][^(GoJay(Unsafe)?]|(Decoder|Reuse|String|Unmapped|GoJson(NoEscape)?))$" Local $sString = "Benchmark_EncodeBigData_EncodingJson" & @CRLF & _ "Benchmark_EncodeBigData_JsonIter" & @CRLF & _ "Benchmark_EncodeBigData_GoJson" & @CRLF & _ "Benchmark_MarshalBigData_EncodingJson" & @CRLF & _ "Benchmark_MarshalBigData_JsonIter" & @CRLF & _ "Benchmark_MarshalBigData_GoJson" & @CRLF & _ "Benchmark_MarshalBytes_EncodingJson" & @CRLF & _ "Benchmark_MarshalBytes_JsonIter" & @CRLF & _ "Benchmark_MarshalBytes_GoJson" & @CRLF & _ "Benchmark_EncodeRawMessage_EncodingJson" & @CRLF & _ "Benchmark_EncodeRawMessage_JsonIter" & @CRLF & _ "Benchmark_EncodeRawMessage_GoJson" & @CRLF & _ "Benchmark_MarshalString_EncodingJson" & @CRLF & _ "Benchmark_MarshalString_JsonIter" & @CRLF & _ "Benchmark_MarshalString_GoJson" & @CRLF & _ "BenchmarkCodeDecoder" & @CRLF & _ "BenchmarkUnicodeDecoder" & @CRLF & _ "BenchmarkDecoderStream" & @CRLF & _ "BenchmarkCodeUnmarshal" & @CRLF & _ "BenchmarkCodeUnmarshalReuse" & @CRLF & _ "BenchmarkUnmarshalString" & @CRLF & _ "BenchmarkUnmarshalFloat64" & @CRLF & _ "BenchmarkUnmarshalInt64" & @CRLF & _ "BenchmarkIssue10335" & @CRLF & _ "BenchmarkUnmapped" & @CRLF & _ "Benchmark_Decode_SmallStruct_Unmarshal_EncodingJson" & @CRLF & _ "Benchmark_Decode_SmallStruct_Unmarshal_JsonIter" & @CRLF & _ "Benchmark_Decode_SmallStruct_Unmarshal_GoJay" & @CRLF & _ "Benchmark_Decode_SmallStruct_Unmarshal_GoJayUnsafe" & @CRLF & _ "Benchmark_Decode_SmallStruct_Unmarshal_GoJson" & @CRLF & _ "Benchmark_Decode_SmallStruct_Unmarshal_GoJsonNoEscape" & @CRLF & _ "Benchmark_Decode_SmallStruct_Stream_EncodingJson" & @CRLF & _ "Benchmark_Decode_SmallStruct_Stream_JsonIter" & @CRLF & _ "Benchmark_Decode_SmallStruct_Stream_GoJay" & @CRLF & _ "Benchmark_Decode_SmallStruct_Stream_GoJson" & @CRLF & _ "Benchmark_Decode_MediumStruct_Unmarshal_EncodingJson" & @CRLF & _ "Benchmark_Decode_MediumStruct_Unmarshal_JsonIter" & @CRLF & _ "Benchmark_Decode_MediumStruct_Unmarshal_GoJay" & @CRLF & _ "Benchmark_Decode_MediumStruct_Unmarshal_GoJayUnsafe" & @CRLF & _ "Benchmark_Decode_MediumStruct_Unmarshal_GoJson" & @CRLF & _ "Benchmark_Decode_MediumStruct_Unmarshal_GoJsonNoEscape" & @CRLF & _ "Benchmark_Decode_MediumStruct_Stream_EncodingJson" & @CRLF & _ "Benchmark_Decode_MediumStruct_Stream_JsonIter" & @CRLF & _ "Benchmark_Decode_MediumStruct_Stream_GoJay" & @CRLF & _ "Benchmark_Decode_MediumStruct_Stream_GoJson" & @CRLF & _ "Benchmark_Decode_LargeStruct_Unmarshal_EncodingJson" & @CRLF & _ "Benchmark_Decode_LargeStruct_Unmarshal_JsonIter" & @CRLF & _ "Benchmark_Decode_LargeStruct_Unmarshal_GoJay" & @CRLF & _ "Benchmark_Decode_LargeStruct_Unmarshal_GoJayUnsafe" & @CRLF & _ "Benchmark_Decode_LargeStruct_Unmarshal_GoJson" & @CRLF & _ "Benchmark_Decode_LargeStruct_Unmarshal_GoJsonNoEscape" & @CRLF & _ "Benchmark_Decode_LargeStruct_Stream_EncodingJson" & @CRLF & _ "Benchmark_Decode_LargeStruct_Stream_JsonIter" & @CRLF & _ "Benchmark_Decode_LargeStruct_Stream_GoJay" & @CRLF & _ "Benchmark_Decode_LargeStruct_Stream_GoJson" & @CRLF & _ "Benchmark_Encode_SmallStruct_EncodingJson" & @CRLF & _ "Benchmark_Encode_SmallStruct_JsonIter" & @CRLF & _ "Benchmark_Encode_SmallStruct_GoJay" & @CRLF & _ "Benchmark_Encode_SmallStruct_GoJson" & @CRLF & _ "Benchmark_Encode_MediumStruct_EncodingJson" & @CRLF & _ "Benchmark_Encode_MediumStruct_JsonIter" & @CRLF & _ "Benchmark_Encode_MediumStruct_GoJay" & @CRLF & _ "Benchmark_Encode_MediumStruct_GoJson" & @CRLF & _ "Benchmark_Encode_LargeStruct_EncodingJson" & @CRLF & _ "Benchmark_Encode_LargeStruct_JsonIter" & @CRLF & _ "Benchmark_Encode_LargeStruct_GoJay" & @CRLF & _ "Benchmark_Encode_LargeStruct_GoJson" 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