| Author |
Regex for "not any words(lines) preceeded by spaces"
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| Edward Wijaya 2004-05-18, 6:31 am |
| Hi,
[^\s.] or [^\s[a-zA-z]] doesn't seem to work.
Anything wrong with my regex?
Thanks.
Regards
Edward WIJAYA
SINGAPORE
--
Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/
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| Mark Clements 2004-05-18, 6:31 am |
| Edward Wijaya wrote:
> Hi,
>
> [^\s.] or [^\s[a-zA-z]] doesn't seem to work.
> Anything wrong with my regex?
[^\s.] will match non-whitespace or non-anything (^ inside a character
class negates the class). I'll assume that you are trying to anchor to
start-of line, though your spec doesn't mention it. You spec refers to
spaces and not whitespace, though this time I'll assume you mean spaces.
How about :
^ +\W+
though without any test data or expected results it's difficult to see
exactly what you're after.
Mark
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| Gunnar Hjalmarsson 2004-05-18, 7:31 am |
| Mark Clements wrote:
> [^\s.] will match non-whitespace or non-anything
No. A dot is not special within brackets. It matches any
non-whitespace character except a dot.
--
Gunnar Hjalmarsson
Email: http://www.gunnar.cc/cgi-bin/contact.pl
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| Mark Clements 2004-05-18, 7:31 am |
| Xref: number1.nntp.dca.giganews.com comp.lang.perl.misc:540675
Gunnar Hjalmarsson wrote:
> Mark Clements wrote:
>
>
>
> No. A dot is not special within brackets. It matches any non-whitespace
> character except a dot.
>
er - yeah. schoolboy error :)
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| Anno Siegel 2004-05-18, 8:38 am |
| Edward Wijaya <ewijaya@singnet.com.sg> wrote in comp.lang.perl.misc:
> Hi,
>
> [^\s.] or [^\s[a-zA-z]] doesn't seem to work.
> Anything wrong with my regex?
Hard to say before *you* say what exactly you expect it to do. The
statement in your subject is ambiguous (and you should have re-stated
it in the body of your text).
Meanwhile it would be a good idea to acquaint yourself with the
function of character classes "[...]" in regular expressions.
Those you are using above don't make much sense. In particular
you don't seem to understand that a character class matches a
single character, not many. Also, "^" has a different meaning
in character classes (negation) and outside (anchor to the beginning
the string).
Anno
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