Special charecters not allowed except _ (Underscore)

by Khadeer Mohammed

HTML

<input type="text" name="folderName" id="folderName">
<input type="submit" value="click" id="sub">

JavaScript

$(document).on('keyup','#folderName',function(){
	var thisValue = $(this).val();
    var updateStr = thisValue.replace(/[`~!@#$%^&*()|+\-=?;:'",.<>\{\}\[\]\\\/]/gi, '');
    $(this).val(updateStr);
})