added 'u' flag for preg_match to match UTF-8 URIs.

laravel/routing/router.php

@@ -76,7 +76,6 @@ class Router {
 	public static $patterns = array(
 		'(:num)' => '([0-9]+)',
 		'(:any)' => '([a-zA-Z0-9\.\-_%=]+)',
-		'(:segment)' => '([^/]+)',
 		'(:all)' => '(.*)',
 	);
 
@@ -88,7 +87,6 @@ class Router {
 	public static $optional = array(
 		'/(:num?)' => '(?:/([0-9]+)',
 		'/(:any?)' => '(?:/([a-zA-Z0-9\.\-_%=]+)',
-		'/(:segment?)' => '(?:/([^/]+)',
 		'/(:all?)' => '(?:/(.*)',
 	);
 
@@ -496,7 +494,7 @@ class Router {
 			// we just did before we started searching.
 			if (str_contains($route, '('))
 			{
-				$pattern = '#^'.static::wildcards($route).'$#';
+				$pattern = '#^'.static::wildcards($route).'$#u';
 
 				// If we get a match we'll return the route and slice off the first
 				// parameter match, as preg_match sets the first array item to the