[Solved] Validate username as the user types with jQuery and ASP.NET [closed]
[ad_1] Try this: $(“input[type=textbox]”).keydown(function(){ if(/^[a-zA-Z0-9- ]*$/.test($(this).val()) == false) { alert(‘Your search string contains illegal characters.’); } if(/\s/g.test($(this).val()) { alert(“has white-space”); } if(!$(this).val().length >= 8 && !$(this).val().length <= 25) { alert(“out of range”); } }); For the fourth one you need to do it yourself because I don’t have access to your field names etc. 0 … Read more