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Re: reg. expr. multiple substitutions

by silentius (Scribe)
on May 17, 2012 at 18:18 UTC ( #971145=note: print w/replies, xml ) Need Help??


in reply to reg. expr. multiple substitutions

Thank you very much once again, dear monks.

Your words have been useful.

Wishing all the very best,
humbly and thankfully,
silentius

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[ovedpo15]: how fast and a good way to print error if more than one out of three variables are defined? for example if there are $a $b $c. I want that if for example $a and $b are defined - print error (also for $a and $c or $b and $c)
[ovedpo15]: its easy with three "if"s or one long "if" but is there a "nice" way :)

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