From 298285e44c70f9838d41340df9b20432844041d6 Mon Sep 17 00:00:00 2001
From: Aadhavan Srinivasan <aadhavan@twomorecents.org>
Date: Wed, 27 Nov 2024 11:43:34 -0500
Subject: [PATCH] Added more test cases

---
 re_test.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/re_test.go b/re_test.go
index fad8112..b32b4ce 100644
--- a/re_test.go
+++ b/re_test.go
@@ -144,6 +144,10 @@ var reTests = []struct {
 	{"(?!hello)", "hello world", []MatchIndex{{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}, {6, 6}, {7, 7}, {8, 8}, {9, 9}, {10, 10}, {11, 11}}},
 	{"(?<=hello)", "hello world", []MatchIndex{{5, 5}}},
 	{"(?<!hello)", "hello world", []MatchIndex{{0, 0}, {1, 1}, {2, 2}, {3, 3}, {4, 4}, {6, 6}, {7, 7}, {8, 8}, {9, 9}, {10, 10}, {11, 11}}},
+	{"^((3[7-9])|([4-9][0-9])|([1-9][0-9][0-9])|(1000))$", "40", []MatchIndex{{0, 2}}},
+	{"^((3[7-9])|([4-9][0-9])|([1-9][0-9][0-9])|(1000))$", "040", []MatchIndex{}},
+	{"^((3[7-9])|([4-9][0-9])|([1-9][0-9][0-9])|(1000))$", "400", []MatchIndex{{0, 3}}},
+	{"^((3[7-9])|([4-9][0-9])|([1-9][0-9][0-9])|(1000))$", "4000", []MatchIndex{}},
 
 	// Todo - add lookaround tests
 	{"(?<=f)f+(?=f)", "fffff", []MatchIndex{{1, 4}}},