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<script>
var re = /-1|2147483647|524288/;
alert(re.test('-1'));
alert(re.test('-1xxx'));
alert(re.test('2147483647'));
alert(re.test('xxxx2147483647'));
alert(re.test('524288'));
alert(re.test('xx524288xx'));
</script>
[/quote]
已测, 是我错了<script>
var re = /-1|2147483647|524288/;
alert(re.test('-1'));
alert(re.test('-1xxx'));
alert(re.test('2147483647'));
alert(re.test('xxxx2147483647'));
alert(re.test('524288'));
alert(re.test('xx524288xx'));
</script>