Javascript(Validation in ASP.Net controls with ragex)

//Step1: Place This In Head Of Page

<!--My JavaScript Validation-->

    <script type="text/javascript">

        //Numeric

        function Numeric(evt) {

            var theEvent = evt || window.event;

            var key = theEvent.keyCode || theEvent.which;

            var key1 = String.fromCharCode(key);

            var regex = /[0-9\b]|\.\b/;

            if (key1 != 'A') {

                if (!(regex.test(key1) || key == 65 || key == 9|| key == 37|| key == 38 || key == 39 || key == 40))
                {

                    theEvent.returnValue = true;

                    if (theEvent.preventDefault) theEvent.preventDefault();

                }

            } else {

                theEvent.returnValue = true;

                if (theEvent.preventDefault) theEvent.preventDefault();

            }

        }

        function bNumeric(elementRef) {

            var checkValue = new String(elementRef.value);

            var newValue = '';

            var fValue = '';

            // 1<2,3>4&56789

            for (var i = 0; i < checkValue.length; i++) {

                var currentChar = checkValue.charAt(i);

                newValue = currentChar.replace(/[^0-9]|\./, '');

                fValue += newValue;

            }

            elementRef.value = fValue;

        }

        //End Numeric

        //Characters

        function Characters(evt) {

            var theEvent = evt || window.event;

            var key = theEvent.keyCode || theEvent.which;

            var key1 = String.fromCharCode(key);

            var regex = /[a-zA-Z\b]|\./;                  //will allow only (a-zA-Z) with backspace

            if (!(regex.test(key1) || key == 65 || key == 9|| key == 37|| key == 38 || key == 39 || key == 40)) {

                theEvent.returnValue = true;

                if (theEvent.preventDefault) theEvent.preventDefault();

            }

        }

        function bCharacters(elementRef) {

            var checkValue = new String(elementRef.value);

            var newValue = '';

            var fValue = '';

            // 1<2,3>4&56789

            for (var i = 0; i < checkValue.length; i++) {

                var currentChar = checkValue.charAt(i);

                newValue = currentChar.replace(/[^a-zA-Z ]|\./, '');

                //if ((currentChar != '<') && (currentChar != ',') && (currentChar != '>') && (currentChar != '&'))

                fValue += newValue;

            }

            elementRef.value = fValue;

        }

        //End Characters

        //AlphaNumericPlus

        function AlphaNumericPlus(evt) {

            var theEvent = evt || window.event;

            var key = theEvent.keyCode || theEvent.which;

            var key1 = String.fromCharCode(key);

            var regex = /[a-zA-Z0-9-\b_.,#/' ']|\./;           

            if (!(regex.test(key1) || key == 65 || key == 9|| key == 37|| key == 38 || key == 39 || key == 40)) {

                theEvent.returnValue = true;

                if (theEvent.preventDefault) theEvent.preventDefault();

            }

        }

        function bAlphaNumericPlus(elementRef) {

            var checkValue = new String(elementRef.value);

            var newValue = '';

            var fValue = '';

            // 1<2,3>4&56789

            for (var i = 0; i < checkValue.length; i++) {

                var currentChar = checkValue.charAt(i);

                newValue = currentChar.replace(/[^a-zA-Z0-9-_.,#/' ']|\./, '');

                fValue += newValue;

            }

            elementRef.value = fValue;

        }

        //End AlphaNumericPlus

        //CharactersWithSpace

        function charWithSpace(evt) {

            var theEvent = evt || window.event;

            var key = theEvent.keyCode || theEvent.which;

            var key1 = String.fromCharCode(key);

            var regex = /[a-zA-Z\b' ']|\./;           

            if (!(regex.test(key1) || key == 65 || key == 9|| key == 37|| key == 38 || key == 39 || key == 40)) {

                theEvent.returnValue = true;

                if (theEvent.preventDefault) theEvent.preventDefault();

            }

        }

        function bcharWithSpace(elementRef) {

            var checkValue = new String(elementRef.value);

            var newValue = '';

            var fValue = '';

            // 1<2,3>4&56789

            for (var i = 0; i < checkValue.length; i++) {

                var currentChar = checkValue.charAt(i);

                newValue = currentChar.replace(/[^a-zA-Z\b' ']|\./, '');

                fValue += newValue;

            }

            elementRef.value = fValue;

        }

        //End CharacterWithSpace

       //alphaNumericWithSpace

        function alphaNumericWithSpace(evt) {

            var theEvent = evt || window.event;

            var key = theEvent.keyCode || theEvent.which;

            var key1 = String.fromCharCode(key);

            var regex = /[0-9a-zA-Z\b' ']|\./;           

            if (!(regex.test(key1) || key == 65 || key == 9|| key == 37|| key == 38 || key == 39 || key == 40)) {

                theEvent.returnValue = true;

                if (theEvent.preventDefault) theEvent.preventDefault();

            }

        }

        function balphaNumericWithSpace(elementRef) {

            var checkValue = new String(elementRef.value);

            var newValue = '';

            var fValue = '';

            // 1<2,3>4&56789

            for (var i = 0; i < checkValue.length; i++) {

                var currentChar = checkValue.charAt(i);

                newValue = currentChar.replace(/[^0-9a-zA-Z\b' ']|\./, '');

                fValue += newValue;

            }

            elementRef.value = fValue;

        }

        //End alphaNumericWithSpace

    </script>

//Step2: Place This In The ASP Element Tag

onkeypress="validateNumber(event);"

onblur="textBoxOnBlur(this);"