Re: Regular expression help
| From: | CPT John W. Holmes | Date: | Tue, 25 Nov 2003 21:40:16 +0000 |
| Subject: | Re: Regular expression help | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-170946@lists.php.net to get a copy of this message | ||
From: "Bronislav Klučka" <Bronislav.Klucka@pro2-soft.com>
> > I need someone to tell me exactly what this regular-expression means:
> > if(ereg("[^ \t\n]",$val)) {
> > // do the job here
>
> This condition is true if there is no space, new line or tabulator in $val
Actually, the regular expression will match anything that is NOT a space,
tab, or newline. That's what the ^ character does (negates the matching).
So, if $val has anything that is NOT a space, newline, or tab in it, then
the ereg() function will return true.
---John Holmes...