正则表达式，求帮忙！该怎么解决
正则表达式，求帮忙！！！
想求助一下2个正则表达式的写法。。。
匹配字符串中包含数字（允许有特殊字符，如“-”）
匹配字符串中包含字母（允许有特殊字符，如“-”）
我是小白，先谢了！
------解决方案--------------------
不是你的正则不对，而是+号在属于url的特殊字符,你直接打印print_r($_SERVER)，看QUERY_STRING或者REQUEST_URI
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