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Mailbox string judgment

2022-04-23 06:50:00 【KK should continue to work hard】

Mailbox string judgment

subject ：
Determine whether the input is the correct email format , Output true The format of the expression is correct

answer ：

function isAvailableEmail(sEmail) {
    
//([\w+\.])+ Represents multiple letters 、 Underline 、 Numbers 、 spot 
    var reg = /^([\w+\.])+@\w+([.]\w+)+$/;
// perhaps 
// /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/
    return reg.test(sEmail);
}