PLT-7473 Ignore text surrounded by multiple backquotes when parsing mentions (#7347)

app/notification.go

@@ -842,7 +842,7 @@ func GetExplicitMentions(message string, keywords map[string][]string) (map[stri
 var codeBlockPattern = regexp.MustCompile("(?m)^[^\\S\n]*\\`\\`\\`.*$[\\s\\S]+?(^[^\\S\n]*\\`\\`\\`$|\\z)")
 
 // Matches a backquote, either some text or any number of non-empty lines, and then a final backquote
-var inlineCodePattern = regexp.MustCompile("(?m)\\`(?:.+?|.*?\n(.*?\\S.*?\n)*.*?)\\`")
+var inlineCodePattern = regexp.MustCompile("(?m)\\`+(?:.+?|.*?\n(.*?\\S.*?\n)*.*?)\\`+")
 
 // Strips pre-formatted text and code blocks from a Markdown string by replacing them with whitespace
 func removeCodeFromMessage(message string) string {

app/notification_test.go

@@ -382,7 +382,7 @@ func TestRemoveCodeFromMessage(t *testing.T) {
 		t.Fatalf("received incorrect output\n\nGot:\n%v\n\nExpected:\n%v\n", actual, expected)
 	}
 
-	input = "this is `not\n    \ncode` because it has line with only whitespace"
+	input = "this is `not\n    \ncode` because it has a line with only whitespace"
 	expected = input
 	if actual := removeCodeFromMessage(input); actual != expected {
 		t.Fatalf("received incorrect output\n\nGot:\n%v\n\nExpected:\n%v\n", actual, expected)
@@ -393,6 +393,12 @@ func TestRemoveCodeFromMessage(t *testing.T) {
 	if actual := removeCodeFromMessage(input); actual != expected {
 		t.Fatalf("received incorrect output\n\nGot:\n%v\n\nExpected:\n%v\n", actual, expected)
 	}
+
+	input = "these are ``multiple backquotes`` around code"
+	expected = "these are   around code"
+	if actual := removeCodeFromMessage(input); actual != expected {
+		t.Fatalf("received incorrect output\n\nGot:\n%v\n\nExpected:\n%v\n", actual, expected)
+	}
 }
 
 func TestGetMentionKeywords(t *testing.T) {