Added test case for when regex and case sensitive are both selected

src/addons/search/search.test.ts

@@ -134,5 +134,30 @@ describe('search addon', () => {
       expect(hello1).eql(undefined);
       expect(hello2).eql({col: 8, row: 2, term: 'Hello'});
     });
+    it('should respect case sensitive + regex', function(): void {
+      search.apply(<any>MockTerminal);
+      const term = new MockTerminal({cols: 20, rows: 4});
+      term.core.write('hellohello\r\nHelloHello');
+      term.pushWriteData();
+
+      /**
+       * hellohello
+       * HelloHello
+       */
+
+      const searchOptions = {
+        regex: true,
+        wholeWord: false,
+        caseSensitive: true
+      };
+      const hello0 = (term.searchHelper as any)._findInLine('Hello', 0, searchOptions);
+      const hello1 = (term.searchHelper as any)._findInLine('Hello$', 0, searchOptions);
+      const hello2 = (term.searchHelper as any)._findInLine('Hello', 1, searchOptions);
+      const hello3 = (term.searchHelper as any)._findInLine('Hello$', 1, searchOptions);
+      expect(hello0).eql(undefined);
+      expect(hello1).eql(undefined);
+      expect(hello2).eql({col: 0, row: 1, term: 'Hello'});
+      expect(hello3).eql({col: 5, row: 1, term: 'Hello'});
+    });
   });
 });