How validate content of Input box with jquery or javascript

Question

How can i validate content of a input box? that when a user for example write in that inbox http://www.example.com input box turn it into www.example.com .in other words its valide frist http and if its exist remove it automatically and insert the correct and show the correct in that input-box ?

i dont want its shows an alaramm i want if the http typed its removed autmaticly plz tell me about that function — babak faghihian
– babak faghihian, Commented Jun 23, 2012 at 11:00
I think you have to invest a bit more time lookin for a solution on your own, I mean the answer to this question can be found on Google pretty easily. — elclanrs
– elclanrs, Commented Jun 23, 2012 at 11:04
javascript regular expression, regular expression matching, regular expression replacing. — sabithpocker
– sabithpocker, Commented Jun 23, 2012 at 11:09

elclanrs · Accepted Answer · 2012-06-23 11:10:00Z

1

A one liner:

$('input').keyup(function(){ $(this).val() === 'http://' && $(this).val(''); });

Or:

$('#validate').click(function(){ 
  var i = $('input');
  (/http:\/\//).test(i.val()) && i.val(i.val().replace('http://',''));
});

answered Jun 23, 2012 at 11:10

elclanrs

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4 Comments

sabithpocker Over a year ago

Can you please explain the first one? Looks confusing for me

babak faghihian Over a year ago

oh bro i want to do this without any press key

babak faghihian Over a year ago

sry bro its better but i want http removed but the rest of the sentenc remains

elclanrs Over a year ago

You'll figure it out eventually. You can start here regular-expressions.info

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