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一定要先点下面的run才能生效

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木落绕指

#1 Created at ... [Delete] [Delete and Lock User] 
var user = document.getElementById('username'),
    pass = document.getElementById('password'),
    pass1= document.getElementById('password-2'),
    userc=/\w{3,10}/,
    passc=/.{6,20}/;
  if(!userc.test(user.value)){
    alert("账户必须为3-10位数字或字母");
    return false;
  }else if(!passc.test(pass.value)){
    alert("密码长度必须为6-20位");
    return false;
  }else if(pass.value != pass1.value){
    alert('两次密码必须相同');
    return false;
  }
  return true;
}

川哥哥Calar

#2 Created at ... [Delete] [Delete and Lock User]

var username = document.getElementById('username'); var password = document.getElementById('password'); var password2 = document.getElementById('password-2'); var re1 = /^\w{3,10}/; var re2 = /^.{6,20}/; if(!re1.test(username.value)){ return false; alert("输入有误，必须是3-10位英文字母或数字，请重新输入!"); } if(!re2.test(password.value)||!re2.test(password2.value)){ return false; alert("输入有误，口令必须是6-20位，请重新输入!"); } if(!password.value==password2.value){ return false; alert("两次密码必须保持一致！"); }else{return true;}

}

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