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<html>
<head>
<title></title>
<script type="text/javascript">
window.onload=setupEvents;
function setupEvents(evnt) {
document.someForm.onsubmit=validateField;
}
function validateField(evnt) {
var rgEx = new RegExp(document.someForm.text1.value);
var OK = rgEx.exec(document.someForm.text2.value);
if (!OK) {
alert("Not a match");
} else {
alert("The Pattern matched!");
}
return false;
}
</script>
</head>
<body>
<form name="someForm">
Regular Expression: <input type="text" name="text1" />
<textarea name="text2" cols=50 rows=10></textarea>
<input type="submit" value="Check RegExp" />
</form>
</body>
</html>
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