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

Substitution
Processing...

Code Generator

Language

Generated Code

import re regex = re.compile(r"\s(\w*)Command\.Register\((([\S]*,([^;\n\r])*)+)typeof\((.*)Values\)\);") test_str = ("public static readonly SimpleCommand ReadTemperatureCommand =\n" " SimpleCommand.Register(ReadTemperatureCommandId, \"ReadTemperature\", \"showtemp.py\", \"\", 5, typeof(TemperatureListCommandResultProcessor), typeof(TemperatureListDeviceValues));\n\n" " public static readonly SimpleCommand GetDataType1Command =\n" " SimpleCommand.Register(\n" " GetDataType1CommandTypeId,\n" " \"GetData\",\n" " \"HttpClient2.py\",\n" " @\"\"\"/data/ajax.txt?CAN=1&HASH=00200403&TYPE=1\"\" \"\"GET\"\" \"\"\"\"\",\n" " 5,\n" " typeof(SunwaysSolarInverterDataType1CommandResultProcessor),\n" " typeof(SunwaysSolarInverterDeviceValues));\n\n" "public static readonly ArgumentedCommand UpdateAsyncCommandsCommand =\n" " ArgumentedCommand.Register(\n" " UpdateAsyncCommandsCommandId,\n" " \"UpdateAsyncCommands\",\n" " \"UpdateAsyncCommands.py\",\n" " \"\",\n" " 5,\n" " UpdateAsyncCommandsCreateArguments,\n" " new[] { typeof(AsynchronousCommand[]) },\n" " typeof(UpdateAsyncCommandsCommandResultProcessor),\n" " typeof(GridboxCommunicationObjectValues));\n\n\n\n" "public static readonly SimpleDynamicObjectAttribute<bool> AsynchronousCommandsChangedProperty =\n" " SimpleDynamicObjectAttribute<bool>.Register(\"AsynchronousCommandsChanged\", false, typeof(BusyGridObjectValues), false, false);\n\n" "public static readonly SimpleDynamicObjectAttribute<string> MailProperty =\n" " SimpleDynamicObjectAttribute<string>.Register(\"Mail\", typeof(DefaultUserValues));\n\n" "public static readonly ProtectedSimpleDynamicObjectAttribute<int> PasswordStorageMethodVersionProperty =\n" " ProtectedSimpleDynamicObjectAttribute<int>.Register(\"PasswordStorageMethodVersion\", 2, typeof(DefaultUserValues));\n\n" "public static readonly ListSetDynamicObjectAttribute<string> LocalIpNetworksProperty =\n" " ListSetDynamicObjectAttribute<string>.Register(\"LocalIpNetworks\", typeof(GridboxCommunicationObjectValues));\n\n" "public static readonly DictionaryDynamicObjectAttribute<Guid, GridObjectTypeContentFilter> ContentFiltersProperty =\n" " DictionaryDynamicObjectAttribute<Guid, GridObjectTypeContentFilter>.Register(\"ContentFilters\", typeof(DefaultContentFilterValues));\n\n" " public static readonly StrongGridObjectReference ContentFilterListContentFilterIdProperty =\n" " StrongGridObjectReference.Register(\"ContentFilterListContentFilterId\", new Guid(\"ce06d088-1b5e-4cab-98d2-b0fd63bc0d5b\"), typeof(ContentFilterValues));\n\n" " public static readonly GridObjectReference ContentFilterListContentFilterIdProperty =\n" " GridObjectReference.Register(\"ContentFilterListContentFilterId\", new Guid(\"ce06d088-1b5e-4cab-98d2-b0fd63bc0d5b\"), typeof(ContentFilterValues));\n\n" " public static readonly GridObjectReference ContentFilterListContentFilterIdProperty =\n" " GridObjectReference.Register(\"ContentFilterListContentFilterId\", new Guid(\"ce06d088-1b5e-4cab-98d2-b0fd63bc0d5b\"), typeof(ContentFilterValues));\n\n" "public static readonly GridObjectReferenceList PermissionIdsProperty =\n" " GridObjectReferenceList.Register(\"PermissionIds\", typeof(DefaultRoleValues));") subst = "GridObjectModel.Register$1Reference$2($3, $4TypeIdString);" result = regex.sub(subst, test_str) if result: print(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 Python, please visit: https://docs.python.org/3/library/re.html