Function to strip all but letters, numbers, and _?

[Sugapablo]

Does anyone have a handy-dandy function they can quickly post that strips
everything from a string except for letters, numbers, & underscores?

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[ Sugapablo ]
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[porneL]

On Sat, 15 Jan 2005 14:59:18 -0500, Sugapablo <ru**@REMOVEsug apablo.com>
wrote:

Does anyone have a handy-dandy function they can quickly post that strips
everything from a string except for letters, numbers, & underscores?

$stripped = preg_replace('/[^a-z0-9_]/i','',$string);
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[Alvaro G. Vicario]

*** Sugapablo escribió/wrote (Sat, 15 Jan 2005 14:59:18 -0500):

Does anyone have a handy-dandy function they can quickly post that strips
everything from a string except for letters, numbers, & underscores?

function strip_all_but_l etters_numbers_ and_underscores ($text){
return preg_replace('/[^\w\d_]+/', '', $text);
}

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-+ Álvaro G. Vicario - Burgos, Spain
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[Chung Leong]

"Alvaro G. Vicario" <kA************ *****@terra.es> wrote in message
news:1u******** *************** *****@40tude.ne t...

*** Sugapablo escribió/wrote (Sat, 15 Jan 2005 14:59:18 -0500):

Does anyone have a handy-dandy function they can quickly post that strips everything from a string except for letters, numbers, & underscores?
function strip_all_but_l etters_numbers_ and_underscores ($text){
return preg_replace('/[^\w\d_]+/', '', $text);
}

--
-+ Álvaro G. Vicario - Burgos, Spain
+- http://www.demogracia.com (la web de humor barnizada para la

intemperie) ++ Las dudas informáticas recibidas por correo irán directas a la papelera
-+ I'm not a free help desk, please don't e-mail me your questions
--

Eh, \w includes digits and the underscore. Also, capital letters are used to
denote "not a meta character." Hence the following:

preg_replace('/\W+/', '', $text);

[Alvaro G. Vicario]

*** Chung Leong escribió/wrote (Sat, 15 Jan 2005 23:07:33 -0500):

Eh, \w includes digits and the underscore. Also, capital letters are used to
denote "not a meta character." Hence the following:

preg_replace('/\W+/', '', $text);

Absolutely right. My code is what happens when you trust your memory :)

--
-+ Álvaro G. Vicario - Burgos, Spain
+- http://www.demogracia.com (la web de humor barnizada para la intemperie)
++ Las dudas informáticas recibidas por correo irán directas a la papelera
-+ I'm not a free help desk, please don't e-mail me your questions
--