>From 'perldoc perlop':
If the REPLACEMENTLIST is
empty, the SEARCHLIST is replicated. This latter
is useful for counting characters in a class or
for squashing character sequences in a class.
As Ronald suggested, use the /d qualifier.
(Am I the only one who rolls their eyes and coughs when I come
across something like this in someone else's code? :
s/([^a-zA-Z])//g;
;^)
On Mon, 7 Oct 2002, Erik Price wrote:
> Here is a snippet of a script I am working on. It doesn't do what I
> expect, which is simply to remove all of the occurrences of certain
> characters from a string using the transliteration (tr///) operator.
>
> However, it works perfectly when I put those characters into a
> character class, change the "tr" to "s", and do a regular
> expression-based substitution with the "/g" modifier.
>
> (Like this: s/[''""$ ,]//g)
>
> So I must be misusing the transliteration operator -- can someone
> please explain why it doesn't work? I thought that this would replace
> any incidence of the characters in the first string with the characters
> in the second string -- in this case, removing them altogether.
--
Steve Reppucci [EMAIL PROTECTED] |
Logical Choice Software http://logsoft.com/ |
=-=-=-=-=-=-=-=-=-=- My God! What have I done? -=-=-=-=-=-=-=-=-=-=
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