Something confusing about non-greedy reg exp match
Ben Finney
ben+python at benfinney.id.au
Mon Sep 7 00:23:34 EDT 2009
George Burdell <gburdell1 at gmail.com> writes:
> I want to find every occurrence of "money," and for each occurrence, I
> want to scan back to the first occurrence of "hello." How can this be
> done?
By recognising the task: not expression matching, but lexing and
parsing. For which you might find the ‘pyparsing’ library of use
<URL:http://pyparsing.wikispaces.com/>.
--
\ “Science is a way of trying not to fool yourself. The first |
`\ principle is that you must not fool yourself, and you are the |
_o__) easiest person to fool.” —Richard P. Feynman, 1964 |
Ben Finney
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