Filter all html tag attributes with php-PHP source code

Use php to filter all html tag attributes

// 1. filter the regular expressions of all html tags:

 ] +> // 2. Regular expression used to filter attributes of all html tags: $ html = preg_replace ("/<([a-zA-Z] +) [^>] *>/"," <\ 1> ", $ html); // 3. filter out regular expressions of some html tags (for example, exclude
, That is, do not filter
):

  ] +> // 4. filter the enumerated regular expressions of some html tags (for example, to filter
): ] *> // 5. exclude the regular expression of the attribute of some html tags (for example, exclude the alt attribute, that is, do not filter the alt attribute): \ s (?! Alt) [a-zA-Z] + = [^ \ s] * // 6, which is an enumeration expression used to filter the attributes of some html tags (such as alt attributes) :( \ s) alt = [^ \ s] *