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![Php: Discovering if a string is a PHP regex: Is there a way to determine? [similar question]](https://i.ytimg.com/vi/7cZy1-GlBH8/maxresdefault.jpg "Php: Discovering if a string is a PHP regex: Is there a way to determine? [similar question]")
Php: Discovering if a string is a PHP regex: Is there a way to determine? [similar question]
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Regular expressions in PHP
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PPT - Regular Expression PowerPoint Presentation, free download - ID:5796710
PHP Validate Email using filter_validate_email and regex - Phppot
