check if Greek letters exist

Costas · Feb 22, 2016

JavaScript:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />

<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>

		<script type="text/javascript">
	
			$(function() {
				
				//button click
				$('#btn').on('click', function(e) {
					if($("#test").val().match( /[Α-Ωα-ωάίόύήώέ]/i )) {
						alert("Greek characters not allowed!")
						return false;
					}
					else 
						return true;
				});
				
			});
		</script>
	</head>
	
	<body>
		
		<button id="btn">
			Test Greek identification
		</button>
		
		<input id="test">
		
		<br><div id="myDIV"></div><br>
		
		
	</body>
</html>

check if Greek letters exist

Costas

Administrator