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Re: match string to regexp


From: Pascal Bourguignon
Subject: Re: match string to regexp
Date: 21 Nov 2003 07:56:16 +0100
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3

Jesper Harder <address@hidden> writes:

> Miguel Frasson <address@hidden> writes:
> 
> > How to match a string against a regexp? The string is returned by
> > some function like (match-string N).
> 
> ,----[ C-h f string-match RET ]
> | string-match is a built-in function.
> | (string-match REGEXP STRING &optional START)
> | 
> | Return index of start of first match for REGEXP in STRING, or nil.
> | Case is ignored if `case-fold-search' is non-nil in the current buffer.
> | If third arg START is non-nil, start search at that index in STRING.
> | For index of first char beyond the match, do (match-end 0).
> | `match-end' and `match-beginning' also give indices of substrings
> | matched by parenthesis constructs in the pattern.
> | 
> | You can use the function `match-string' to extract the substrings
> | matched by the parenthesis constructions in REGEXP.
> `----

  Time flies like an arrow.
  Fruit flies like a banana.

match-string returns the matched string.
string-match matches a string.

I  just miss  a function  to string  the matches,  and another  one to
return the stringed match...

-- 
__Pascal_Bourguignon__
http://www.informatimago.com/


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