Nodejs Email String Validate isEmail()

Method Source Code

String.prototype.isEmail = function() 
{ 
   try//from  w  w w  .  j a v a2  s .  c  o m
   {
      var value = this.toString().trim();
      
      var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
       return re.test(value);
   }
   catch (err)
   {
      if (bln_msg) alert(err.message);
      return false;
   }
}

Related

1. isEmail()

   String.prototype.isEmail = function() {
     var re = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
     return re.test(this);
   };
   

2. isEmail()

   String.prototype.isEmail = function()
       var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
       return re.test(this);
   },
   

3. isEmail()

   String.prototype.isEmail = function()
     return (/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/.test(this.Trim()));
   

4. isEmail()

   String.prototype.isEmail = function () {
     return /^(?:[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9\-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9\-]*[a-z0-9])?)$/i.test(this);
   };
   

5. isEmail()

   String.prototype.isEmail = function() {   
       return /^[a-zA-Z0-9_\-]{1,}@[a-zA-Z0-9_\-]{1,}\.[a-zA-Z0-9_\-.]{1,}$/.test(this.trim());   
   };