Correct use of Unicode in RegExp
 

On Thu, 22 Apr 2004 22:36:44 +0100, mike blamires scribbled furiously:

> I am having great difficulty using Unicode characters in a Regular
> Expression, I am trying to match extended Unicode characters.
>
> I am wishing to split a large Dumpfile (containing only JPEGS) I have used
> a hex editor to manually extract a file just to show it can be done, so I
> know the input is intact.
>
> Each JPEG starts with the Unicode characters \u00FF \u00D8 \u00FF \u00E1
> and there are plenty of these to be found within the file.
>
> open(DUMPFILE, "/pathtodumpfile");
> my $line;
> while(<DUMPFILE>) {
> $line = $line.$_;
> }
> @files = split(/\x{00FF}\x{00D8}\x{00FF}\x{00E1}/, $line);
>
> (As you may see from the above style I am relatively inexperienced to the
> perl side of programming ;)
>
> I have tried inserting the Unicode characters in various ways \xFF, \x{FF}
> etc. It just doesn't seem to find the pattern. I am at a bit of a loss as
> to whether it is my regexp that is wrong, my use of Unicode characters
> or use of Extended Unicode characters.
>
> many thanks for your help.
>
> cheers
> Mike

Apologies, incorrect newsgroup first time round. Please see above.
cheers
Mike