JavaScript Validation

//Space Allowed Only
function ValidateAlpha(evt)
{
    var keyCode = (evt.which) ? evt.which : evt.keyCode
    if ((keyCode < 65 || keyCode > 90) && (keyCode < 97 || keyCode > 122) && keyCode != 32)

    return false;
        return true;
}
// "&& keyCode != 32" Remove this to Space not Allowed.
//call function : onkeypress="return ValidateAlpha(event);"

//Numeric Value allow only
function isNumberKey(evt){
    var charCode = (evt.which) ? evt.which : evt.keyCode
    if (charCode != 46 && charCode > 31
        && (charCode < 48 || charCode > 57))
        return false;
    return true;
}

//call function : onkeypress="return isNumberKey(event)"

//Mobile Validation

$('.NumOnly').on('input', function (event) {
this.value = this.value.replace(/[^0-9]/g, '');
});

$('.NumDotOnly').on('input', function (event) {
this.value = this.value.replace(/[^0-9.]/g, '');
});

$(".AlphaDotOnly").on("input", function (event) {
this.value = this.value.replace(/[^a-zA-Z .]/g, '');
});

$(".AlphaOnly").on("input", function (event) {
this.value = this.value.replace(/[^a-zA-Z]/g, '');
});

function numberMobile(e){
    e.target.value = e.target.value.replace(/[^\d]/g,'');
    return false;
}

function AlphaOnly(e){
    e.target.value = e.target.value.replace(/[^a-zA-Z]/g, '');
    return false;
}

$(".modal").on("hidden.bs.modal", function(){
    $('#frm_newsletter')[0].reset(); //input control reset
    $("#frm_newsletter").validate().resetForm(); // validation error reset
});