求一正则表达式

Question

学习ing 
我也想做个正则表达式，正好学习

Answer 1

1.[^(000)/b]
2.[(QYB)(SYB)]/b]
抛砖引玉！

Answer 2

(QYB|SYB|[^(000)])\d{6}wish useful

Answer 3

(QYB|SYB|[^(000)])\d{6}
it sounds better than mine.

Answer 4

<SCRIPT LANGUAGE="JavaScript">
<!--
var pattern=/^(QYB|SYB|([1-9]\d\d)|(\d\[1-9]\d)|(\d\d[1-9]))\d{6}/;
/*
alert(pattern.test("qyb123456"));
alert(pattern.test("000123456"));
alert(pattern.test("20123456"));
alert(pattern.test("QYB123456"));
alert(pattern.test("SYB123456"));
alert(pattern.test("34d5123456"));
*/
alert(pattern.test("0015123456"));
//-->
</SCRIPT>