The problem is that casting to int only works with single byte chars. I
guess the best thing to do is to use PCRE, but make sure you use the 'u'
pattern modifier, which makes it deal with UTF-8 safely.
is performance an issue?
- Ammar
On 5/29/07, Zaid Amireh <[EMAIL PROTECTED]> wrote:
>
>
> too slow to do in regex, those are printable ascii chars and they are
> consecuative in the ascii table, cast the char to int and check if its
> in the range of 0x20 and 0x7E
>
> Zaid
>
> On 5/28/07, Al-Faisal El-Dajani <[EMAIL PROTECTED]> wrote:
> > Hello all,
> > I'm writing a code that needs to search for certain characters. Thought
> of
> > doing it using regular expressions, only problem is i'm not good in
> using
> > them. So can somebody help?
> >
> > I need to search if a string contains any character that isn't within
> the
> > following list:
> >
> 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ,./?;:\'\"[]{}\\|[EMAIL
> PROTECTED]&*()-=_+<>\r\n`~
> > (and space)
> >
> > I'm using php's preg_match, which, as the documentation says here, uses
> > perl syntax in regular expressions (there are more than one??).
> >
> > Thanx for the help in advance.
> > --
> > Al-Faisal El-Dajani
> > Phone: +962-7-77 799 781
> > P.O Box: 140056
> > 11814 Amman, Jordan
> > >
> >
>
>
> --
> ---------------------------
> Netiquette -> http://www.dtcc.edu/cs/rfc1855.html
> Netiquette Nazi ->
> http://redwing.hutman.net/%7Emreed/warriorshtm/netiquettenazi.htm
> ---------------------------
>
> >
>
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