Re: Case sensitive regexp

[Neon Absentius <absent@sdf.lonestar.org>]

On Mon, May 23, 2005 at 04:46:19AM +0200, Pascal Bourguignon wrote:
> Neon Absentius <absent@sdf.lonestar.org> writes:
> 
> > Hello,
> >
> > how can I make sure that the regular expressions are case sensitive?
> > By looking at the manual I thought that if the expression contains 
> > a capital letter then it automatically is case sensitive. However
> > evaluating (looking-at "A") when the point is before an "a" returns 
> > true.
> 
> What regular expressions?
> 

>From the elisp manual

,----
|- Function: looking-at regexp                                                                       
|    This function determines whether the text in the current buffer                                 
|    directly following point matches the regular expression REGEXP.                                 
`----

So, since the regular expression "A" matches only the string "A" I
assumed that (looking-at "A") would return true only if the character
following point was "A".

> M-x apropos RET case-fold RET
> 
> --> 
> isearch-toggle-case-fold
> toggle-case-fold-search
> 
> default-case-fold-search
> 

Thanks. That did it.

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