original_string: public static function _init() 
  	{	
  		// default string
  		static::filter( 'any', '[a-zA-Z0-9'.ClanCats::$config->get( 'router.allowed_special_chars' ).']' );
  		
  		// only numbers
  		static::filter( 'num', '[0-9]' );
  		
  		// only alpha characters
  		static::filter( 'alpha', '[a-zA-Z]' );
  		
  		// only alphanumeric characters
  		static::filter( 'alphanum', '[a-zA-Z0-9]' );
  
  		// 404 not found error
  		CCRouter::on( '#404', function() 
  		{
  			return CCResponse::create( CCView::create( 'Core::CCF/404' )->render(), 404 );
  		});
  	}
code: public static function _init() 
  	{	
  		// default string
  		static::filter( 'any', '[a-zA-Z0-9'.ClanCats::$config->get( 'router.allowed_special_chars' ).']' );
  		
  		// only numbers
  		static::filter( 'num', '[0-9]' );
  		
  		// only alpha characters
  		static::filter( 'alpha', '[a-zA-Z]' );
  		
  		// only alphanumeric characters
  		static::filter( 'alphanum', '[a-zA-Z0-9]' );
  
  		// 404 not found error
  		CCRouter::on( '#404', function() 
  		{
  			return CCResponse::create( CCView::create( 'Core::CCF/404' )->render(), 404 );
  		});
  	}
code_tokens: public static function _init ( ) { // default string static :: filter ( 'any' , '[a-zA-Z0-9' . ClanCats :: $ config -> get ( 'router.allowed_special_chars' ) . ']' ) ; // only numbers static :: filter ( 'num' , '[0-9]' ) ; // only alpha characters static :: filter ( 'alpha' , '[a-zA-Z]' ) ; // only alphanumeric characters static :: filter ( 'alphanum' , '[a-zA-Z0-9]' ) ; // 404 not found error CCRouter :: on ( '#404' , function ( ) { return CCResponse :: create ( CCView :: create ( 'Core::CCF/404' ) -> render ( ) , 404 ) ; } ) ; }
docstring: Set up the basic uri filters in our static init and
  also add a default 404 response
  
  @return void
docstring_tokens: Set up the basic uri filters in our static init and also add a default 404 response