Multiple e-mail id checking . ?

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  • jyaseen
    New Member
    • Feb 2010
    • 21
    #1

    Multiple e-mail id checking . ?

    if i insert multiple e-mail id in To textbox like below , how can i validate the email ids.
    <abidhudavi@gma il.com>, <naseehjasi@gma il.com>, "unaise hameed" <unaise2u@gmail .com>, "Yunus Mecheri" <YunusMecheri@g mail.com>,

    in google if we insert ids like above or comma separated , it will accept . anybody know the coding to validate this. in Javascript or PHP
    Tags: None
    • RamananKalirajan
      Contributor
      • Mar 2008
      • 608
      #2
      Are you capturing this email id's in a text box?

      If yes, you can do by this way.

      HTML,
      Code:
       <input type="text" id="grpEmail" name="grpEmail" />
      JS,
      Code:
      var groupEmail = document.getElementById("grpEmail").value;
if(groupEmail!=""&&groupEmail!=null)
		{
			//alert("Coming Inside");
			var emailArr = groupEmail.split(",");
			for(var i=0;i<emailArr.length;i++)
			{
				var result = return /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(emailArr[i]);
				if(result==false)
				{
					index=i;
					emailFlag=false;
					break;
				}
			}
			if(emailFlag==false)
			{
				document.getElementById("MsgDiv").innerHTML="The Email Id "+emailArr[index]+" is Invalid. Please Change";
				return false;
			}

		}
      Thanks and Regards
      Ramanan Kalirajan
      Last edited by RamananKalirajan; Feb 16 '10, 08:46 AM. Reason: Added Code Tags

        Comment

        • jyaseen
          New Member
          • Feb 2010
          • 21
          #3
          I try this code, with one textbox and submit button. butthere are mistakes in your code.

          1) var result = return /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(emailArr[i]);
          in the above line it gives the Syntax error.

          2) if(emailFlag==f alse)
          the line emailFlag it says it is not declared.
          so can you clear this ?
          thank you for your replay

            Comment

            • Dormilich
              Recognized Expert Expert
              • Aug 2008
              • 8694
              #4
              the return does not belong there.

                Comment

                • jyaseen
                  New Member
                  • Feb 2010
                  • 21
                  #5
                  I removed return from code ,now it says unmatched ) in regular expression

                    Comment

                    • Dormilich
                      Recognized Expert Expert
                      • Aug 2008
                      • 8694
                      #6
                      can’t see any unmatched )

                      PS. [a-zA-Z0-9_] = \w

                        Comment

                        • jyaseen
                          New Member
                          • Feb 2010
                          • 21
                          #7
                          I did not understand how the below coding works
                          /^[a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(emailArr[i])
                          this line gives the error unmatched ) in regular expression

                            Comment

                            • Dormilich
                              Recognized Expert Expert
                              • Aug 2008
                              • 8694
                              #8
                              you didn’t copy the first (, that’s why.

                                Comment

                                • jyaseen
                                  New Member
                                  • Feb 2010
                                  • 21
                                  #9
                                  Now it says emailFlag not defined ...

                                    Comment

                                    • jyaseen
                                      New Member
                                      • Feb 2010
                                      • 21
                                      #10
                                      Now it is working, but my question is -> E-mail ids like below will accept in gmail or other email website. can I do like that.
                                      abidhudavi@gmai l.com>, <naseehjasi@gma il.com>, "unaise hameed" <unaise2u@gmail .com>, "Yunus Mecheri" <YunusMecheri@g mail.com>

                                      your code not validating if i put an email id like this . "Yunus Mecheri" <YunusMecheri@g mail.com> . I mean it should accept this email id format.
                                      Is it Possible ...?

                                        Comment

                                        • Dormilich
                                          Recognized Expert Expert
                                          • Aug 2008
                                          • 8694
                                          #11
                                          then you have to extend the RegExp …

                                            Comment

                                            • RamananKalirajan
                                              Contributor
                                              • Mar 2008
                                              • 608
                                              #12
                                              Yep it is possible, you can do it...

                                              Code:
                                              <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script type="text/javascript">
	function passValue()
	{
		document.getElementById('emailInp').value='<naseehjasi@gmail.com>, "unaise hameed" <unaise2u@gmail.com>, "Yunus Mecheri" <YunusMecheri@gmail.com>';
		alert(document.getElementById('emailInp').value);
	}

	function alertMailId()
	{
		var mailStr = document.getElementById('emailInp').value;
		var tempStr="";

		for(var i=0;i<mailStr.length;i++)
		{
		   if(mailStr.charAt(i).indexOf("<")>-1)
		   {
				for(var j=(i+1);j<mailStr.length;j++)
				{
					if(mailStr.charAt(j).indexOf(">")<=-1)
						tempStr+=mailStr.charAt(j);
					else
						{
							tempStr+=";";
							i=j;
							break;
						}
				}
		   }
		}

		alert(tempStr);
	}
</script>
</HEAD>

<BODY onload="passValue();">
<input type="text" name="emailInp" id="emailInp" />
<input type="button" value="alertMailId()"  onclick="alertMailId()"/>
</BODY>
</HTML>
                                              The value tempStr holds the mail id's alone now...

                                              Thanks and Regards
                                              Ramanan Kalirajan

                                                Comment

                                                • jyaseen
                                                  New Member
                                                  • Feb 2010
                                                  • 21
                                                  #13
                                                  good work , thank you I will check it and come back..

                                                    Comment

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