Fix issue with backslashes when using pattern function

pattern/pattern_bench_test.go

@@ -0,0 +1,21 @@
+package pattern
+
+import "testing"
+
+func BenchmarkMatch(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		if !Match("*ing*", "livingroom") {
+			b.Error("should've matched")
+		}
+	}
+	b.ReportAllocs()
+}
+
+func BenchmarkMatchWithBackslash(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		if !Match("*ing*", "living\\room") {
+			b.Error("should've matched")
+		}
+	}
+	b.ReportAllocs()
+}