匹配邮箱等常用正则

1. 邮箱正则

   [\w!#$%&'*+/=?^_`{|}~-]+(?:\.[\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\w](?:[\w-]*[\w])?\.)+[\w](?:[\w-]*[\w])?
   

2. URL正则

   [a-zA-z]+://[^\s]*
   

3. QQ号正则

   [1-9][0-9]{4,}
   

4. 身份证正则

   ^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$