微信号正则校验，qq正则，邮箱正则,英文名正则

 

var wxreg = /^[a-zA-Z]{1}[-_a-zA-Z0-9]{5,19}$/

var qq = /^[1-9]\d{4,9}$/

var email = /^[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.[a-zA-Z0-9]{2,6}$/

var engName =  /^[a-zA-Z0-9]+\s?[.·\-()a-zA-Z]*[a-zA-Z]+$/