diff --git a/index.js b/index.js
index a3219e4..22fb0b8 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,4 @@
 'use strict';
 module.exports = function () {
-	return /\bv?(?:0|[1-9][0-9]*)\.(?:0|[1-9][0-9]*)\.(?:0|[1-9][0-9]*)(?:-[\da-z\-]+(?:\.[\da-z\-]+)*)?(?:\+[\da-z\-]+(?:\.[\da-z\-]+)*)?\b/ig;
+	return /\bv?(?:0|[1-9]\d*)\.(?:0|[1-9]\d*)\.(?:0|[1-9]\d*)(?:-[\da-z\-]+(?:\.[\da-z\-]+)*)?(?:\+[\da-z\-]+(?:\.[\da-z\-]+)*)?\b/ig;
 };