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求正则匹配字母

WBOY
Release： 2016-06-23 14:11:08
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比如:
str="我们是csdn用户！";

正则匹配如果字符串中字母个数大于2个输出ok

像这个有4个字母

正则怎么写！谢谢


回复讨论(解决方案)

手册中都有明确的说明，为什么就不看呢？

用substr扫描字符串，每段按preg_split，累积返回值到4返回true 

$str="我们是csdn用户！";preg_match_all('/[a-z]/i',$str,$m);if(count($m[0]) >2) echo 'ok' ;
Copy after login

非常感谢！

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求正则匹配字母
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