regex to exclude certain number

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^(230|231)\d{6}$|^(01|02|03|04|05|06|07|08|09|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31|32|33|34|35|36|37|38)\d{7}$

In the above regex i want to exclude the 18 and 19 how can i do so

Posted 20-Feb-13 19:46pm

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OriginalGriff · Answer 1 · 2013-02-20T20:41:00

Simple: don't use a regex.
Regexs are for pattern matching in strings - you can already see that your regex is getting nasty and difficult to work with. Do string matching in the regex, then use code to convert matched numbers and check them there.

Regexes are wonderful tools - but only when they are used on appropriate tasks.

If you must use a regex, then just take out the "18|19|" part of the match string. But seriously, I'd use code here.