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Question:Check for preg_match() Processing Errors!
While it might often be unimportant be aware that applying a regular expression might fail due to PCRE constraints. This usually happens when matching overly long strings or strings with faulty encoding.
The only way to notice that preg_match() was not able to check the string is by calling
Only if it returns PREG_NO_ERROR you got a safe result! Consider this when using preg_match() for security purposes.
Sep 13, 2013
Sep 12, 2013
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