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How can regular expressions be used in PHP to validate and manipulate data? What are some common use cases for regular expressions, and how can

How can regular expressions be used in PHP to validate and manipulate data? What are some common use cases for regular expressions, and how can they be used in conjunction with PHP

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s exception handling system to ensure data integrity? Can you share an example of how you've used regular expressions and exception handling to validate user input in a PHP application?

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