test for RegExp searching + docs

README.md

@@ -386,11 +386,12 @@ You can pass either one id or an array of ids:
 
 ### .find( mixed )
 
-Find method lets you search using *character*, seat status or a combination of both (separated with a dot):
+Find method lets you search using *character*, seat status, combination of both (separated with a dot) or a regexp:
 
 	sc.find('a'); //find all a seats
 	sc.find('unavailable'); //find all unavailable seats
 	sc.find('a.available'); //find all available a seats
+	sc.find(/^1_[0-9]+/); //find all seats in the first row
 
 
 #### .get and .find chained together:

test/methods.js

@@ -150,7 +150,7 @@
 	});
 
 	test('Testing .find selector', function () {
-		expect(14);
+		expect(16);
 
 		var $seatCharts = methodsMapSetup(),
 			seatCharts = $seatCharts.seatCharts();
@@ -186,6 +186,10 @@
 		equal(seatCharts.get(['2_1', '3_2', '5_5', '5_3', '4_2', '2_3']).find('c.invalid-status').length, 0, 'Finding in set by character and invalid status.');
 
 		equal(seatCharts.get(['9_12', '', '4_53']).find('b').length, 0, 'Finding in empty set.');
+
+		equal(seatCharts.find(/^1_.*/).length, 4, 'Finding first row seats using a regexp.');
+
+		equal(seatCharts.find(/^[0-9]+_3/).length, 4, 'Finding third column seats using a regexp.');
 	});
 
 	test('Testing .node method', function () {