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<script>
function check(rate) {
alert(rate);
var reg2 = new RegExp("^(\\d{1,2})(\.|,)(\\d{1,4})$");
if (!reg2.test(rate)) {
alert('ko');
}
else {
alert('ok');
}
}
</script>
<html>
<ul>
<li><a href="javascript:check('10.33');">10.33</a></li>
<li><a href="javascript:check('10,34');">10,34</a></li>
<li><a href="javascript:check('10.');">10.</a></li>
<li><a href="javascript:check('10,');">10,</a></li>
<li><a href="javascript:check(',');">,</a></li>
<li><a href="javascript:check('.');">.</a></li>
<li><a href="javascript:check('100');">100</a></li>
<ul>
</html> |