Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.

Regular Expression

Regex Versions


/

Delimiters


/
g

Regex Flags


Unit Tests

Correct Format A
Correct Format B
Space Missing after *
Small Case For "added"
Small Case For "updated"
Double Stars Without Spaces
Double Stars with Spaces
Space Between [S3] and * Missing
Missing Period At The End
Random Symbol's Intead of *

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Code Generator

Generated Code

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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 C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx