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This article mainly explains the "php regular deletion of class style attributes in html code method sharing", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in-depth, together to study and learn "php regular deletion of class style attributes in html code method sharing" bar!

1. Question:

The code is as follows:

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Requirement: remove the class attribute from the HTML code.

Second, the realization method:

The php implementation code is as follows:

Welcome to $str=''; $str=preg_replace ('/ class= "([^\"] *) "/ isU','',$str); echo $str

Running result:

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