Regular Expressions 101

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Regular Expression

Regex Versions

No Match

/

Delimiters

/
gi

Regex Flags

Test String

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

Regular Expressions 101

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