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POValidating email addresses using jQuery and regex
 

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    <p>I'm not too sure how to do this. I need to validate email addresses using regex with something like this:</p> <pre><code>[a-z0-9!#$%&amp;'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&amp;'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+(?:[A-Z]{2}|com|org|net|edu|gov|mil|biz|info|mobi|name|aero|asia|jobs|museum) </code></pre> <p>Then I need to run this in a jQuery function like this: </p> <pre><code>$j("#fld_emailaddress").live('change',function() { var emailaddress = $j("#fld_emailaddress").val(); // validation here? if(emailaddress){} // end validation $j.ajax({ type: "POST", url: "../ff-admin/ff-register/ff-user-check.php", data: "fld_emailaddress="+ emailaddress, success: function(msg) { if(msg == 'OK') { $j("#fld_username").attr('disabled',false); $j("#fld_password").attr('disabled',false); $j("#cmd_register_submit").attr('disabled',false); $j("#fld_emailaddress").removeClass('object_error'); // if necessary $j("#fld_emailaddress").addClass("object_ok"); $j('#email_ac').html('&amp;nbsp;&lt;img src="img/cool.png" align="absmiddle"&gt; &lt;font color="Green"&gt; Your email &lt;strong&gt;'+ emailaddress+'&lt;/strong&gt; is OK.&lt;/font&gt; '); } else { $j("#fld_username").attr('disabled',true); $j("#fld_password").attr('disabled',true); $j("#cmd_register_submit").attr('disabled',true); $j("#fld_emailaddress").removeClass('object_ok'); // if necessary $j("#fld_emailaddress").addClass("object_error"); $j('#email_ac').html(msg); } } }); }); </code></pre> <p>Where does the validation go and what is the expression?</p>
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    1. COSee also http://stackoverflow.com/a/15659649/292060
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