<script language=javascript>
str="asdasd23(_)431213sd322"
alert(str.match(/\d+/g))
alert(/^[\d\u4e00-\u9fa5()_a-z]+$/i.test(str))
</script>
str="asdasd23(_)431213sd322"
alert(str.match(/\d+/g))
alert(/^[\d\u4e00-\u9fa5()_a-z]+$/i.test(str))
</script>
instr就是要查询的字符串alert(instr.replace(/\D+/g,""));
alert(/^[(\w)]+$/.test(instr));