The jquery validation to input field to allow only numeric value with or without numeric value on keypress and on blur with regrex to validate it. <span>Float</span> <input type="text" name="numeric" class='allownumericwithdecimal'> <div>Numeric values only allowed  (With Decimal Point) </div>       <br/>   <br/>   <br/>    <span>Int</span> <input type="text" name="numeric" class='allownumericwithoutdecimal'> <div>Numeric values only allowed  (Without Decimal Point) </div> $(".allownumericwithdecimal").on("keypress keyup blur",function (event) {             //this.value = this.value.replace(/[^0-9\.]/g,'');      $(this).val($(this).val().replace(/[^0-9\.]/g,''));             if ((event.which != 46 || $(this).val().indexOf('.') != -1) && (event.which < 48 || event.which > 57)) {