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This article mainly shows you "php can use regular expressions", the content is easy to understand, clear, hope to help you solve doubts, the following let Xiaobian lead you to study and learn "php can use regular expressions" this article.

Yes, php can use regular expressions, and in PHP you can use PCRE extensions to match the pattern of strings, such as using the preg_match function in PHP to perform a regular expression match.

This article operating environment: Windows7 system, PHP7.1 version, Dell G3 computer.

Of course php can use regular expressions.

PHP regular expression (PCRE)

Regular expression (regular expression) describes a pattern of string matching, which can be used to check whether a string contains a certain substring, replace a matching substring, or extract a substring from a string that meets a certain condition.

In PHP, we can use the PCRE extension to match the pattern of a string.

PCRE function

PREG constant

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