[yunqa.de] Re: Converting upper case strings to lower case with regular expression
- From: Tobias Rapp <t.rapp@xxxxxxxxxxxxx>
- To: yunqa@xxxxxxxxxxxxx
- Date: Thu, 26 Nov 2009 09:49:47 +0100
Sheri wrote:
> DIRegex is used in an editor I use. I and others still wish for this
> capability. From an exchange we had a couple years ago:
>
> >>> this is a suggested enhancement: A few other programs
> >>> I use or helped design allow "$" to be optionally followed by u,
> >>> U, l, L, t or T to cause the string referenced to be forced to
> >>> upper, lower or title case in output.
> >>
> >>
> >> I already though about case modifiers, but did not add them
> >> because I could not find a regex replace syntax standard.
In my opinion there seems to be some kind of similar implemented feature in
Perl and Vim:
http://perldoc.perl.org/perlre.html#Escape-sequences
http://www.softpanorama.org/Editors/Vimorama/vim_regular_expressions.shtml
A pattern like "[a-z]+" and a replacement string of "\u\0" turns "hello
world" into "Hello World" and a replacement string of "\U\0" into "HELLO
WORLD".
Tobias
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