Regular Expressions 101

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Regular Expression

Regex Versions

No Match

/

Delimiters

/
gm

Regex Flags

Test String

Substitution

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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 Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html

Regular Expressions 101

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