Alternative fix for #9941 to avoid code duplication

src/Composer/Util/Url.php

@@ -109,25 +109,13 @@ class Url
         // e.g. https://api.github.com/repositories/9999999999?access_token=github_token
         $url = preg_replace('{([&?]access_token=)[^&]+}', '$1***', $url);
 
-        // duplication here to apparent PCRE regression in v10.37 26-May-2021 which
-        // makes (?P<prefix>://|^) not match anymore
-        // should be reverted ideally when fixed in upstream
-        $url = preg_replace_callback('{^(?P<user>[^:/\s@]+):(?P<password>[^@\s/]+)@}i', function ($m) {
+        $url = preg_replace_callback('{^(?P<prefix>[a-z0-9]+://)?(?P<user>[^:/\s@]+):(?P<password>[^@\s/]+)@}i', function ($m) {
             // if the username looks like a long (12char+) hex string, or a modern github token (e.g. gp1_xxx) we obfuscate that
             if (preg_match('{^([a-f0-9]{12,}|g[a-z]\d_[a-zA-Z0-9_]+)$}', $m['user'])) {
-                return '***:***@';
+                return $m['prefix'].'***:***@';
             }
 
-            return $m['user'].':***@';
-        }, $url);
-
-        $url = preg_replace_callback('{://(?P<user>[^:/\s@]+):(?P<password>[^@\s/]+)@}i', function ($m) {
-            // if the username looks like a long (12char+) hex string, or a modern github token (e.g. gp1_xxx) we obfuscate that
-            if (preg_match('{^([a-f0-9]{12,}|g[a-z]\d_[a-zA-Z0-9_]+)$}', $m['user'])) {
-                return '://***:***@';
-            }
-
-            return '://'.$m['user'].':***@';
+            return $m['prefix'].$m['user'].':***@';
         }, $url);
 
         return $url;