Letter Validation in JavaScript
Letter Validation in JavaScript
xxxxxxxxxx<html><body><script type='text/javascript'>function letterValidation(){var letterValue = /^[a-zA-Z]+$/;if(document.getElementById('txtletter').value.match(letterValue)){alert("Yes you enter letters only.");return true;}else{alert('Enter only Letters like A-Z or a-z');txtletter.focus();return false;}}</script><form>Please Letters Only: <input type='text' id='txtletter'/><input type='button' id="btnSubmit" onclick="letterValidation()" value='Submit' /></form></body></html>Source: www.enjoysharepoint.com
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xxxxxxxxxx<html><body><script type='text/javascript'>function letterAndNumberValidation(){var letterAndNumberValue = /^[0-9a-zA-Z]+$/;if(document.getElementById('txtletter').value.match(letterAndNumberValue)){alert("Yes you enter letters or numbers only.");return true;}else{alert('Only letters and numbers allowed');txtletter.focus();return false;}}</script><form>Enter Value: <input type='text' id='txtletter'/><input type='button' id="btnSubmit" onclick="letterAndNumberValidation()" value='Submit' /></form></body></html>Source: www.enjoysharepoint.com
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