From 95ac68b6d7aaa97415e7e4d7e116fc66fe7ad86e Mon Sep 17 00:00:00 2001
From: Dean Karn <Dean.Karn@gmail.com>
Date: Tue, 11 May 2021 17:37:28 -0700
Subject: [PATCH] fix url_encoded regex (#769)

---
 regexes.go        | 2 +-
 validator_test.go | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/regexes.go b/regexes.go
index 9ecf4b1..ddcf785 100644
--- a/regexes.go
+++ b/regexes.go
@@ -45,7 +45,7 @@ const (
 	ethAddressRegexString            = `^0x[0-9a-fA-F]{40}$`
 	ethAddressUpperRegexString       = `^0x[0-9A-F]{40}$`
 	ethAddressLowerRegexString       = `^0x[0-9a-f]{40}$`
-	uRLEncodedRegexString            = `(%[A-Fa-f0-9]{2})`
+	uRLEncodedRegexString            = `^(?:[^%]|%[0-9A-Fa-f]{2})*$`
 	hTMLEncodedRegexString           = `&#[x]?([0-9a-fA-F]{2})|(&gt)|(&lt)|(&quot)|(&amp)+[;]?`
 	hTMLRegexString                  = `<[/]?([a-zA-Z]+).*?>`
 	splitParamsRegexString           = `'[^']*'|\S+`
diff --git a/validator_test.go b/validator_test.go
index db5bf73..5dcd00e 100644
--- a/validator_test.go
+++ b/validator_test.go
@@ -9537,6 +9537,9 @@ func TestURLEncodedValidation(t *testing.T) {
 		{"a%b", false},
 		{"1%2", false},
 		{"%%a%%", false},
+		{"hello", true},
+		{"", true},
+		{"+", true},
 	}
 
 	validate := New()