regex - php preg_match with multiple patterns

admin管理员组

文章数量:1315251

I am trying to combine two preg_match patterns separate with ,|,.

/blog\/page\/[0-9]+\/?$/ with /tag\/ skip in /blog/page/ and /tag/
/page\/[0-9]+\/?$/ with /[0-9]+\/?$/ ex. /page/2/ and only /2/
/(page\/[0-9]+\/?)$/ with /([0-9]+\/?)$/

    function redirect_pagination() {
    if(!preg_match('/blog\/page\/[0-9]+\/?$/,|,/tag\/', $_SERVER['REQUEST_URI'])) {
        if(preg_match('/page\/[0-9]+\/?$/,|,/[0-9]+\/?$/', $_SERVER['REQUEST_URI'])) {
            $new_url = preg_replace('/(page\/[0-9]+\/?)$/,|,/([0-9]+\/?)$/', '', $_SERVER['REQUEST_URI']);
            wp_redirect($new_url, 301);
            exit;
        }
    }
}
add_action( 'init', 'redirect_pagination', 1 );

I am trying to combine two preg_match patterns separate with ,|,.

/blog\/page\/[0-9]+\/?$/ with /tag\/ skip in /blog/page/ and /tag/
/page\/[0-9]+\/?$/ with /[0-9]+\/?$/ ex. /page/2/ and only /2/
/(page\/[0-9]+\/?)$/ with /([0-9]+\/?)$/

    function redirect_pagination() {
    if(!preg_match('/blog\/page\/[0-9]+\/?$/,|,/tag\/', $_SERVER['REQUEST_URI'])) {
        if(preg_match('/page\/[0-9]+\/?$/,|,/[0-9]+\/?$/', $_SERVER['REQUEST_URI'])) {
            $new_url = preg_replace('/(page\/[0-9]+\/?)$/,|,/([0-9]+\/?)$/', '', $_SERVER['REQUEST_URI']);
            wp_redirect($new_url, 301);
            exit;
        }
    }
}
add_action( 'init', 'redirect_pagination', 1 );

• php
• regex

Share Improve this question asked May 25, 2019 at 7:08 tw8sw8dw8tw8sw8dw8 7333 silver badges1010 bronze badges 2

• what do you want to do? – user134414 Commented May 25, 2019 at 16:26
• I want to redirect pages such as /post-name/page/2/, /post-name/2/ to /post-name/ except for /blog/page/ and /tag/. I do this with two functions, but I know it is possible with just one. – tw8sw8dw8 Commented May 25, 2019 at 16:55

Add a comment  | 

1 Answer 1

Sorted by: Reset to default 1

I think this is what you are looking for

if (preg_match('@^/((?!blog|tag)[^/]+)/(?:page/)?\d+@', $_SERVER['REQUEST_URI'], $m)) {
    wp_redirect("/$m[1]", 301);
}

The regexp uses lookahead to make sure that the first match isn't blog or tag.

The '[^/]+' part matches anything that isn't a forward slash (/).

(?:page/)? - Makes an optional match against 'page/'

\d+ - Match against any number.

This will not redirect '/blog/2 if you want '/blog/2' to be redirected but not '/blog/page/2' then change the regexp above to read 'blog/page' where it now says 'blog'.

PS: I know this is 5 months old and you have probably moved on by now but I'll put this here anyway in case someone else needs help with the same issue.

本文标签： regexphp pregmatch with multiple patterns