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How to remove numbers from string in php

藏色散人

Aug 11, 2020 am 10:47 AM

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php去掉字符串的数字的方法：首先创建一个PHP示例文件；然后通过“$class=preg_replace("/\\d+/",'', $res);”方法实现去掉字符串的数字即可。

How to remove numbers from string in php

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PHP去掉字符串中的数字

这个比较简单，但是也有些需要注意的地方，先贴代码

$class=preg_replace("\\d+",&#39;&#39;, $res);

需要使用preg_replace函数，但是只是这么写的话，会报错

Warning: preg_replace(): Delimiter must not be alphanumeric or backslash

翻译过来就是定界符不能是字母数字或反斜线。

想了一下，在正则表达式首尾加了一对/

$class=preg_replace("/\\d+/",&#39;&#39;, $res);

这样就成功了

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