If the separators are always the same length, then you can use the
following:
$new_str = preg_replace("/(=-){5}(.*)-{10}/sU","",$str);
Where 5 is how many times the =- pattern repeats, and 10 is how many times
the - character repeats.
Hope that helps.
---John Holmes...
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, January 23, 2003 6:44 AM
Subject: Re: [PHP] HELP: Regex pattern matching
> Hmmm... I was about to reply with a simple solution, but there's a problem
with it that I can't explain. Assuming the text is in $str...
>
> I can't get preg_replace to match a newline at the end of a pattern. If I
use...
>
> $str = preg_replace('/\n=.+--\n/sU', '', $str);
>
> ...it matches nothing, but if I put a tag character at the end of the
dashes, e.g.
>
> --------------------------------x
>
> ...then use...
>
> $str = preg_replace('/\n=.+--x/sU', '', $str);
>
> ...it works perfectly. I'm not sure why the pattern doesn't care about
the first newline, but it chokes on the second one. Any thoughts?
>
> Thanks,
> Alex
>
>
>
> > I have an ASCII file which has multiple blocks of text I want to clear.
The
> > scheme is as follows:
> >
> > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> > line 1 Everything between the separators,
> > line 2 including the separators
> > line 3 I want to clear from the text file
> > line 4
> > -----------------------------------------------------
> >
> > This text I want to keep
> >
> > There are infinite number of blocks surrounded by exactly the same
> > separators.
> > So, I guess I need to clear everything between the starting "=" and the
> > ending "-".
> >
> > Can anyone suggest a regex pattern string that would help me accomplish
> > that?
> >
> > Thank you all guys in advance!
> >
> > Nasko
>
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