Pan Card Validation Using Javascript
To Validate PanCard you have to use below function function ValidatePAN(Obj) { if (Obj.value != "") { ObjVal = Obj.value; var panPat = /^([a-zA-Z]{5})(\d{4})([a-zA-Z]{1})$/; if (ObjVal.search(panPat) == -1) { alert("Invalid Pan No"); Obj.focus(); return false; } } } <input type="text" ID="textPanNo" MaxLength="10" onblur="ValidatePAN(this);">