OK then, go for the PCRE solution, otherwise, as Zaid mentioned, there are
alternatives that should be faster, but harder to read.
On 5/29/07, Al-Faisal El-Dajani <[EMAIL PROTECTED]> wrote:
>
> Thanx for the great input guys.
> Ammar: not really, consume all the cpu ticks you need.
>
>
> On 5/29/07, Ammar Ibrahim < [EMAIL PROTECTED]> wrote:
> >
> > 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
> > > ---------------------------
> > >
> > >
> > >
>
>
> --
> Al-Faisal El-Dajani
> Phone: +962-7-77 799 781
> P.O Box: 140056
> 11814 Amman, Jordan
> >
>
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