Added tests.

tests/cases/fourslash/completionListAfterRegularExpressionLiteral02.ts

@@ -0,0 +1,9 @@
+/// <reference path="fourslash.ts" />
+
+////let x = /absidey//**/
+
+// Should get nothing at the marker since it's
+// going to be considered part of the regex flags.
+
+goTo.marker();
+verify.completionListIsEmpty();

tests/cases/fourslash/completionListAfterRegularExpressionLiteral03.ts

@@ -0,0 +1,10 @@
+/// <reference path="fourslash.ts" />
+
+////let x = /absidey/
+/////**/
+
+// Should not be blocked since there is a
+// newline separating us from the regex flags.
+
+goTo.marker();
+verify.not.completionListIsEmpty();

tests/cases/fourslash/completionListAfterRegularExpressionLiteral04.ts

@@ -0,0 +1,9 @@
+/// <reference path="fourslash.ts" />
+
+////let x = /absidey/ /**/
+
+// Should not be blocked since there is a
+// space separating us from the regex flags.
+
+goTo.marker();
+verify.not.completionListIsEmpty();