PHP regex help

[leegold2]

I'm new to PHP regex. What I am trying to match is:

http://library.dayton.town.net

it's a mysql/php field.

Then if a match I take some action.

But it's not working any help appreciated. Thanks


while ( $row = mysql_fetch_row ( $result ) ) {...
.....
foreach($row as $data) {
if ( preg_match ( "/http://library\.dayton \.town\.net/", $data ) )
$data= 'You got a match';

.....

[Garp]

Re: PHP regex help


"leegold2" <leegold2@veriz on.net> wrote in message
news:wzMEc.2206 9$x9.10161@nwrd dc01.gnilink.ne t...[color=blue]
> I'm new to PHP regex. What I am trying to match is:
>
> http://library.dayton.town.net
>
> it's a mysql/php field.
>
> Then if a match I take some action.
>
> But it's not working any help appreciated. Thanks
>
>
> while ( $row = mysql_fetch_row ( $result ) ) {...
> ....
> foreach($row as $data) {
> if ( preg_match ( "/http://library\.dayton \.town\.net/", $data ) )
> $data= 'You got a match';
>
> ....[/color]

Without looking too closely or trying it, the // after http: are likely
being translated as pattern terminators. Escape them ("leaning toothpick"
syndrome ahoy), or change the terminators from / to something else like ?.
Escape anything that isn't alphanumeric for safety, too (the : character).
$pattern="?http \://library\.dayton \.town\.net?";
or
$pattern="/http\:\/\/library\.dayton \.town\.net/";
Then
if ( preg_match ( $pattern, $data ) )
Etc.

Of course, in this case you could always use
if($data == "http://library.dayton. town.net")
........

lol

Garp

[steve]

Re: Re: PHP regex help

Garp wrote:[color=blue]
> "leegold2" <leegold2@veriz on.net> wrote in message
> news:wzMEc.2206 9$x9.10161@nwrd dc01.gnilink.ne t...[color=green]
> > I’m new to PHP regex. What I am trying to match is:
> >
> > http://library.dayton.town.net
> >
> > it’s a mysql/php field.
> >
> > Then if a match I take some action.
> >
> > But it’s not working any help appreciated. Thanks
> >
> >
> > while ( $row = mysql_fetch_row ( $result ) ) {...
> > ....
> > foreach($row as $data) {
> > if ( preg_match ( "/http://library\.dayton \.town\.net/", $data ) )
> > $data= ’You got a match’;
> >
> > ....[/color]
>
> Without looking too closely or trying it, the // after http: are likely
> being translated as pattern terminators. Escape them ("leaning[/color]
toothpick"[color=blue]
> syndrome ahoy), or change the terminators from / to something else[/color]
like ?.[color=blue]
> Escape anything that isn’t alphanumeric for safety, too (the :[/color]
character).[color=blue]
> $pattern="?http \://library\.dayton \.town\.net?";
> or
> $pattern="/http\:\/\/library\.dayton \.town\.net/";
> Then
> if ( preg_match ( $pattern, $data ) )
> Etc.
>
> Of course, in this case you could always use
> if($data == "http://library.dayton. town.net")
> ........
>
> lol
>
> Garp[/color]
or so a simple substring match:

if (strstr($data, "http://library.dayton. town.net")) { ....

http://ca3.php.net/manual/en/function.strstr.php

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[Garp]

Re: Re: PHP regex help


"steve" <UseLinkToEmail @dbForumz.com> wrote in message
news:22191c7e9c 8f84c52190f1f0b 04fc076@news.te ranews.com...[color=blue]
> Garp wrote:[color=green]
> > "leegold2" <leegold2@veriz on.net> wrote in message
> > news:wzMEc.2206 9$x9.10161@nwrd dc01.gnilink.ne t...[color=darkred]
> > > I'm new to PHP regex. What I am trying to match is:
> > >
> > > http://library.dayton.town.net
> > >
> > > it's a mysql/php field.
> > >
> > > Then if a match I take some action.
> > >
> > > But it's not working any help appreciated. Thanks
> > >
> > >
> > > while ( $row = mysql_fetch_row ( $result ) ) {...
> > > ....
> > > foreach($row as $data) {
> > > if ( preg_match ( "/http://library\.dayton \.town\.net/",[/color][/color][/color]
$data ) )[color=blue][color=green][color=darkred]
> > > $data= 'You got a match';
> > >
> > > ....[/color]
> >
> > Without looking too closely or trying it, the // after http: are likely
> > being translated as pattern terminators. Escape them ("leaning[/color]
> toothpick"[color=green]
> > syndrome ahoy), or change the terminators from / to something else[/color]
> like ?.[color=green]
> > Escape anything that isn't alphanumeric for safety, too (the :[/color]
> character).[color=green]
> > $pattern="?http \://library\.dayton \.town\.net?";
> > or
> > $pattern="/http\:\/\/library\.dayton \.town\.net/";
> > Then
> > if ( preg_match ( $pattern, $data ) )
> > Etc.
> >
> > Of course, in this case you could always use
> > if($data == "http://library.dayton. town.net")
> > ........
> >
> > lol
> >
> > Garp[/color]
> or so a simple substring match:
>
> if (strstr($data, "http://library.dayton. town.net")) { ....
>
> http://ca3.php.net/manual/en/function.strstr.php
>
> --[/color]

This is turning into a JAPH thread. 8D (I tried my techniques for the OP
today, they're both good).

Garp

[bonehead]

Re: PHP regex help

leegold2 wrote:[color=blue]
> I'm new to PHP regex. What I am trying to match is:
>
> http://library.dayton.town.net[/color]

Dude,

This isn't exactly your script, but paste this into a new .php file,
upload it to your server, run it in a browser, and tell me if it echos
"You got a match":

/*BEGIN SCRIPT*/
<?

$data = htmlspecialchar s("http://library.dayton. town.net");
if ( preg_match ( '[http://library\.dayton \.town\.net]', $data ) ) {
echo "You got a match";
} else {
echo "You did not get a match";
}
?>
/*END SCRIPT*/

--
'bonehead

[leegold2]

Re: PHP regex help

Thanks for all the help - I paid extra special
attention to escaping the special chars and
got it too work.