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Making PHP Regex Errors Real

By nisha_singh via eng.genius.com
Submitted On August 31, 2010

PHP employs Perl Compatible Regular Expressions (PCRE) in the built-in collection of preg_* functions, such as preg_match(). While PCRE is certainly the preferred regular expression library, PHP’s implementation allows the functions to fail without any explicit warning—the user must check preg_last_error() to know that an error occurred.

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