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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??


in reply to Re^3: REgular expression to check the string that allows "a","b" and "c" to occur only once in any order. (permutations)
in thread REgular expression to check the string that allows "a","b" and "c" to occur only once in any order.

I went with Occam's razor and took the OP literally.

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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