PHP Regular Expression example: replace Chinese Characters in strings with red characters.

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A classic example of using regular expressions in PHP: replace Chinese Characters in strings with red!
If we use PHP to replace Chinese characters in the string with red characters, we should think of two steps:
The first is to extract Chinese characters from strings using regular expressions, and the second is to add styles to these Chinese characters. See the following example:


$ String = "I Love black hat Alliance www.heimaolianmeng.com ";
Echo preg_replace ("/([\ x80-\ xff] +)/", "\ 1", $ string );
?>

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