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Re^4: REgular expression to check the string that allows "a","b" and "c" to occur only once in any order. (permutations)by ikegami (Patriarch) |
on Dec 11, 2007 at 07:03 UTC ( [id://656332]=note: print w/replies, xml ) | Need Help?? |
No, that's what I did. You added the clause "and no characters other than a, b and c". It could very well be the OP wants what you provided, but it's not a literal interpretation of the OP. The authors of the other two (working) solutions didn't add that clause.
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