diff --git a/index.js b/index.js
index 329c99b..25c0679 100644
--- a/index.js
+++ b/index.js
@@ -88,7 +88,7 @@ function showPosition(position) {
         // }
         let valid = true;
 //        const domainExp = new RegExp("^http(s)*:\\/\\/[a-zA-Z0-9\\-]+(\\.[a-zA-Z0-9\\-]+)+[_#]*$");
-	const domainExp = new RegExp("^http(s)*:\\/\\/[a-zA-Z0-9\\-]+(\\.[a-zA-Z0-9\\-]+)+[\\/_#a-zA-Z0-9\\-]*$");
+	const domainExp = new RegExp("^http(s)*:\\/\\/[a-zA-Z0-9\\-]+(\\.[a-zA-Z0-9\\-]+)+[\\/_#a-zA-Z0-9=?\\-]*$");
         const filepathExp = new RegExp("^[a-zA-Z]+$");
         const glinkExp = new RegExp("^[a-zA-Z]*$");
         let glinkStr = glink.value;
diff --git a/result.php b/result.php
index 778e621..aac1c57 100644
--- a/result.php
+++ b/result.php
@@ -25,7 +25,7 @@ if ($is_geo == 1) {
 	$longitude = doubleval($longitude);
 }
 
-$matches = preg_match('/^http(s)*:\\/\\/[a-zA-Z0-9\\-]+(\\.[a-zA-Z0-9\\-]+)+[\\/_#a-zA-Z0-9\\-]*$/',$url);
+$matches = preg_match('/^http(s)*:\\/\\/[a-zA-Z0-9\\-]+(\\.[a-zA-Z0-9\\-]+)+[\\/_#a-zA-Z0-9=?\\-]*$/',$url);
 if (($matches == 0) || ($matches == false)) {
 	printf("The URL entered was invalid. Please try again.");
 	return;