[PHP] Q on Regular Expressions

[Curt Zirzow]

* Thus wrote jsWalter (jsWalter@torres.ws):

> I have a fairly complicated regular expression that was written for perl.
>
> I've spent the last 4 days trying to convert it to PHP.

have you looked at strtotime()?
[url]http://php.net/strtotime[/url]

The Date formats it can find are defined here:
[url]http://www.gnu.org/manual/tar-1.12/html_chapter/tar_7.html[/url]


Those regex's look like a nightmare, like they usually do :)

>
> # Does input match this RegEx?
>
> (($day,$mon,$yr,$hr,$min,$sec,$tz) =
> /^
> (\w{1,3}) # month
> \s+
> (\d\d?) # day
> \s+
> (\d\d?):(\d\d) # hour:min
> (?::(\d\d))? # optional seconds
> \s+
> (?:([A-Za-z]+)\s+)? # optional timezone
> (\d+) # year
> \s*$ # allow trailing whitespace
> /x)
>

Curt
--
"I used to think I was indecisive, but now I'm not so sure."

[Jswalter]

Thanks for the pointer, but this only deals with date/time in EPOCH range.

I'm trying to handle dates pre-epoch.

Thanks

Walter



"Curt Zirzow" <php-general@zirzow.dyndns.org> wrote in message
news:20030917211347.GF4251@bagend.shire...

> * Thus wrote jsWalter (jsWalter@torres.ws):

> > I have a fairly complicated regular expression that was written for

perl.

> >
> > I've spent the last 4 days trying to convert it to PHP.

>
> have you looked at strtotime()?
> [url]http://php.net/strtotime[/url]
>
> The Date formats it can find are defined here:
> [url]http://www.gnu.org/manual/tar-1.12/html_chapter/tar_7.html[/url]
>
>
> Those regex's look like a nightmare, like they usually do :)
>

> >
> > # Does input match this RegEx?
> >
> > (($day,$mon,$yr,$hr,$min,$sec,$tz) =
> > /^
> > (\w{1,3}) # month
> > \s+
> > (\d\d?) # day
> > \s+
> > (\d\d?):(\d\d) # hour:min
> > (?::(\d\d))? # optional seconds
> > \s+
> > (?:([A-Za-z]+)\s+)? # optional timezone
> > (\d+) # year
> > \s*$ # allow trailing whitespace
> > /x)
> >

>
>
> Curt
> --
> "I used to think I was indecisive, but now I'm not so sure."