pe_test.go    | 5 +++++
 validators.go | 2 +-

diff --git a/pe_test.go b/pe_test.go
index 20999277318755174e7fede997d55104cb16c09d..58c138fc877e173254de4f87f73afeba02df93a3 100644
--- a/pe_test.go
+++ b/pe_test.go
@@ -18,6 +18,11 @@ 	if output[0] != ".gitignore" {
 		t.Errorf("Doesnt match hidden files", output)
 	}
 
+	output = GetAllMatches(" this.user ")
+	if len(output) != 0 {
+		t.Errorf("Matches this.user", output)
+	}
+
 	output = GetAllMatches(" mail@mail.com ")
 	if len(output) != 0 {
 		t.Errorf("Matches email adresses", output)
diff --git a/validators.go b/validators.go
index 2ed2a880065e7d97e9f5d6e64b3c724edeeb71f4..b0501d6839111588ad0bfb4903b597ad41a0c77e 100644
--- a/validators.go
+++ b/validators.go
@@ -67,7 +67,7 @@ 	return false
 }
 
 func containsInvalidString(input string) bool {
-	invalidStrings := []string{"(", ")", "and/or", "origin/", "{", "}", "<", ">", "$", "*"}
+	invalidStrings := []string{"(", ")", "and/or", "origin/", "{", "}", "<", ">", "$", "*", "this."}
 	for _, s := range invalidStrings {
 		if strings.Contains(input, s) {
 			return true