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In PHP, preg_match indicates/u,/I, and/s in regular match. phppreg_match_PHP tutorial

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In PHP, the meaning of u, I, and s in the preg_match regular match is phppreg_match. In PHP, the meaning of u, I, and s in the preg_match regular match. in phppreg_matchPHP, what is the meaning of uis in the preg_match regular match? in utable, unicode (UTF-8) is used) matching (mainly for the meaning of/u,/I,/s in the multi-byte match than the preg_match regular match in PHP, phppreg_match

What does preg_match/u/I/s in PHP mean?
/U indicates matching by unicode (UTF-8) (mainly for multibyte, such as Chinese characters)
/I indicates case-insensitive (if expression a exists, A is also the matching object)
/S indicates that the string is regarded as a single line for matching.

What is/u/I/s in preg_match regular match in PHP?/u indicates matching by unicode (UTF-8) (mainly for multi-byte ratio...

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Related Keywords:
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