not allowing special charecters in textbox using jquery.

Question

allow Characters , numbers , Shift Key, Ctrl key, Alt Key but not allowing Special Characters only in ASP TextBox using Jquery.

Sanjeeb Lenka · Answer

hi, try this its using javascript: var specialKeys = new Array(); specialKeys.push(8); //Backspace specialKeys.push(9); //Tab specialKeys.push(46); //Delete specialKeys.push(36); //Home specialKeys.push(35); //End specialKeys.push(37); //Left specialKeys.push(39); //Right function IsAlphaNumeric(e) { var keyCode = e.keyCode == 0 ? e.charCode : e.keyCode; var ret = ((keyCode >= 48 && keyCode = 65 && keyCode = 97 && keyCode document.getElementById("error").style.display = ret ? "none" : "inline"; return ret; } Alphanumeric value: ondrop="return false;" onpaste="return false;"> * Special Characters not allowed

manjula d · Answer

thanks sanjeeb.........

Sanjeeb Lenka · Answer

hi, using jQuery: add the jquery reference 1st $(document).ready(function () { $("#text1").bind('keypress', function (event) { var regex = new RegExp("^[a-zA-Z0-9]+$"); var key = String.fromCharCode(!event.charCode ? event.which : event.charCode); if (!regex.test(key)) { event.preventDefault(); return false; } }); }); Alphanumeric value:

not allowing special charecters in textbox using jquery.

Answers (3)