路由参数全局正则表达式模式

Route::pattern('id', '\d+');
Route::pattern('hash', '[a-z0-9]+');
Route::pattern('hex', '[a-f0-9]+');
Route::pattern('uuid', '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}');
Route::pattern('base', '[a-zA-Z0-9]+');
Route::pattern('slug', '[a-z0-9-]+');
Route::pattern('username', '[a-z0-9_-]{3,16}');

via xiaobeicn/programming-skills-summary

from : http://laravel.so/tricks/042601cd52bb6605c5d9a35e95b89afa