Java 正則驗證郵箱
阿新 • • 發佈:2018-11-09
做郵件的功能的時候難免會碰到郵箱的驗證,接下來我就把郵件的正則記錄下來,方便以後檢視。
Java方式:
public static boolean isEmail(String email){
if (null==email || "".equals(email)){
return false;
}
String regEx1 = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
Pattern p = Pattern.compile(regEx1);
Matcher m = p.matcher(email);
if(m.matches()){
return true;
}else{
return false;
}
}
public static void main(String[] args) {
String msg = " [email protected]。cmn";
System.out.println(isEmail(msg));
}
js方式:
var reg= /^([a-zA-Z0-9_-])[email protected]([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/;
var mail = '[email protected]。cmn';
console.log(reg.test(mail));