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Old May 15th, 2008, 12:01 AM
Russ Cox
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Leftmost longest match with DFA search

I'm not sure whether there is confusion between "leftmost longest
match" and "longest leftmost match". For me, "leftmost longest match"
refers to the leftmost of the longest matches while "longest leftmost
match" refers to the longest of the leftmost matches

In the context of regular expression search, "leftmost longest"
means the longest of the leftmost matches, not the leftmost
of the longest matches. As you point out, it doesn't stand up
to syntactic scrutiny, but it's the standard term.

Rarely, one sees it written with a comma, longest
encourage interpreting "longest" as the tiebreaker.

Russ


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