How to jump to. htaccess

How to jump to. htaccess. Determine whether any keyword such as & nbsp; Google & nbsp; exists in the url, and then jump to the new url. If no keyword is displayed, open it normally? Can this be implemented? It's a little white. I'm asking for help. How to jump to. htaccess.
Determine whether there are Google and other keywords in the origin url, and then jump to the new url.
If no keyword is displayed, open it normally?
Can this be implemented?
It's a little white. I'm asking for help. . Htaccess shared:
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Your purpose can be achieved through anti-Leech protection of the http protocol.


If (isset ($ _ SERVER ['http _ referer']) {

// Judge whether $ _ SERVER ['http _ referer' has a google
// If yes, the website is used. if not, the website is not used,
If (stristr ($ _ SERVER ['http _ referer'], "google") === false ){
Header ('Location: correct url. php ');

} Else {
// Jump to the warning page
Header ('Location: warning. php ');
}

} Else {
// Jump to the warning page
Header ('Location: warning. php ');
}
If you must pass. to implement htacess, you can take a look at the PHP video tutorial of Chuanzhi podcast. The core technology of PHP large portal website-static 8 (using apache rewrite mechanism to implement pseudo-static page 1 ), this knowledge point is also mentioned in it.
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Apache anti-Leech