Beefy Boxes and Bandwidth Generously Provided by pair Networks
No such thing as a small change
 
PerlMonks  

Re: With Unicode, \d is wrong if you mean [0-9]

by hardburn (Abbot)
on Oct 26, 2004 at 15:46 UTC ( [id://402651]=note: print w/replies, xml ) Need Help??


in reply to With Unicode, \d is wrong if you mean [0-9]
in thread Regex help

No, \d will match digit characters in many languages (as TimToady mentioned). I think it's more accurate to say that it's wrong to mean [0-9], as letting people put in digits in whatever langauge they want is usually the right thing.

"There is no shame in being self-taught, only in not trying to learn in the first place." -- Atrus, Myst: The Book of D'ni.

Replies are listed 'Best First'.
Re^2: With Unicode, \d is wrong if you mean [0-9]
by hv (Prior) on Oct 27, 2004 at 10:40 UTC

    Hmm, if you want to add one to it, it probably wants to consist of [0-9]+ rather than \d+.

    Hugo

[reply]
[d/l]
[select]
      That could be construed as a bug in Perl's internal grok_number() routine.
[reply]
[d/l]

        Patches welcome. :)

        If anything, I think I'd rather see things like grok_number() become hooks so you can intercept them, whether to augment, replace, or just add:

          warn "Hey, scare's over now, you can go back to 2 digits"
      if $num =~ /^20\d\d\z/;

        [download]

        Of course we probably don't reach grok_number() unless the lexer has already spotted a digit, so we'd need hot-pluggable grammars as well.

        Hugo

[reply]
[d/l]
[select]

In Section Seekers of Perl Wisdom

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?

www.com | www.net | www.org
Node Status?
node history
Node Type: note [id://402651]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? • Last hour • Other CB clients
Other Users?
Others surveying the Monastery: (6)
As of 2024-04-19 10:07 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found