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Remove unmatched HTML tags in a string

People know that someone knows the PHP function to remove unsurpassed HTML tags from a string. e.g. <div> This is a string <b> with an unmatched bold tag </div> . If not, then help me increase it, maybe I will have a function that counts the number of opening tags and the corresponding closing tags. If they don’t even delete the first opening tag or close the tags anymore, does it delete the last tag?

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I do not believe that there is a function. What you want to do is use something like tidy that supports PHP (PHP Tidy). Tidy will clear your HTML for you. Also, don’t think about it using regular expressions !;)

Here is a Zend tutorial that talks about how to tidy up your HTML code:

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Without adhering to any rule structure, this is not very possible. If you want to follow the standards (i.e. Don't exit </b> from the blocking block), you can do a regular expression scan to make sure that </b> found before </div> .

http://www.regular-expressions.info/lookaround.html

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Source: https://habr.com/ru/post/1236741/

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