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Making re-search-backwards greedy

From: Eric Abrahamsen
Subject: Making re-search-backwards greedy
Date: Wed, 30 Aug 2017 17:18:53 -0700
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

I seem to remember there are Hard Problems related to reverse regexp
searching, but I'm hoping this isn't one of them.

Here's my situation:

(let ((regexp "\\(bo\\)\\{2,3\\}"))
    (insert "bobobo")
    (re-search-backward regexp)
    (match-string 0)))

The problem is that this returns "bobo" and not "bobobo". I'd like it to
go for the longest string possible. Is that feasible?


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