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Editor to share with you how to remove special letters from php rules. I hope you will get something after reading this article. Let's discuss it together.

Php regular to achieve the removal of special letters: 1, to create a PHP example file; 2, through "$str = preg_replace ($ddd,'',$str);" to remove special characters.

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

Php regularizes the removal of Chinese, Chinese characters and special characters

Regular removal of Chinese, Chinese characters, special characters:

$str = '432.65456787rewqrewq6 my xff'; $ddd = "/ [',:; *? ~ `! @ # $% ^ & + =) ({}] |\] |\ [|\" |\ | / "; $cc ='/ [\ x80 -\ xff] {0,} /'; $qq =" / [a-zA-Z] + / "; $str = preg_replace ($ddd,'',$str); $str = preg_replace ($qq,'',$str) $str = preg_replace ($cc,'',$str); echo $str; after reading this article, I believe you have a certain understanding of "how to remove special letters from php rules". If you want to know more about it, welcome to follow the industry information channel, thank you for reading!

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