diff --git a/htmltest/check-link_test.go b/htmltest/check-link_test.go
index ff8ac2f..bcc32ac 100644
--- a/htmltest/check-link_test.go
+++ b/htmltest/check-link_test.go
@@ -516,20 +516,43 @@ func TestAnchorInternalHashWeird(t *testing.T) {
 	tExpectIssueCount(t, hT, 0)
 }
 
-func TestAnchorInternalUrl(t *testing.T) {
-	// fails for internal linking writen not in IgnoreInternalURLs (#168)
+func TestAnchorInternalUrlDoesNotExist(t *testing.T) {
+	// fails for internal link not in IgnoreInternalURLs (#168)
 	hT := tTestFile("fixtures/links/link_directory_internal_invalid.html")
 	tExpectIssueCount(t, hT, 1)
 	tExpectIssue(t, hT, "target does not exist", 1)
 }
 
-func TestAnchorInternalUrlOption(t *testing.T) {
-	// passes for internal linking writen in IgnoreInternalURLs option (#168)
+func TestAnchorInternalUrlIgnoreUsingIgnoreInternalURLs(t *testing.T) {
+	// passes for internal link in IgnoreInternalURLs option (#168)
 	hT := tTestFileOpts("fixtures/links/link_directory_internal_valid.html",
 		map[string]interface{}{"IgnoreInternalURLs": []interface{}{"/misc/js/script.js"}})
 	tExpectIssueCount(t, hT, 0)
 }
 
+func TestAnchorInternalUrlIgnoreInternalURLsIsStrict(t *testing.T) {
+	// fails as IgnoreInternalURLs requires a string match
+	hT := tTestFileOpts("fixtures/links/link_directory_internal_valid.html",
+		map[string]interface{}{"IgnoreInternalURLs": []interface{}{"misc/js/script.js"}})
+	tExpectIssueCount(t, hT, 1)
+	tExpectIssue(t, hT, "target does not exist", 1)
+}
+
+func TestAnchorInternalUrlIgnoreUsingIgnoreURLs(t *testing.T) {
+	// passes for internal link in IgnoreURLs option using regex
+	hT := tTestFileOpts("fixtures/links/link_directory_internal_valid.html",
+		map[string]interface{}{"IgnoreURLs": []interface{}{"^/misc/js/script.js$"}})
+	tExpectIssueCount(t, hT, 0)
+}
+
+func TestAnchorInternalUrlNotIgnoreUsingIgnoreURLs(t *testing.T) {
+	// fails for internal link in when doesn't match strict regex in IgnoreURLs
+	hT := tTestFileOpts("fixtures/links/link_directory_internal_invalid.html",
+		map[string]interface{}{"IgnoreURLs": []interface{}{"^/misc/js/script.js$"}})
+	tExpectIssueCount(t, hT, 1)
+	tExpectIssue(t, hT, "target does not exist", 1)
+}
+
 func TestAnchorMultipleProblems(t *testing.T) {
 	// finds a mix of broken and unbroken links
 	t.Skip("Only single problem, and an hash which is not yet supported.")