Just as you ask, split the line. (assuming the separator is fixed). 
$ perl -le '$line = shift; @fish = split /\s*fish\s*/, $line; print fo
+r @fish' 'One fish two fish red fish blue fish'
One
two
red
blue

[download]
You may compare between regex and split solutions, if you like.

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In reply to Re: match last element instead of first?? by naikonta
in thread match last element instead of first?? by Anonymous Monk

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