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Regarding the validity of a UTF-8 string when using the /u pattern modifier, some things to be aware of; 1. If the pattern itself contains an invalid UTF-8 character, you get an error (as mentioned in the docs above - "UTF-8 validity of the pattern is checked since PHP 4.3.5" 2. When the subject string contains invalid UTF-8 sequences / codepoints, it basically result in a "quiet death" for the pr
fumikito 2010/05/27
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