diff --git a/lib/utils/url-command.js b/lib/utils/url-command.js
index a59f7206..20114399 100644
--- a/lib/utils/url-command.js
+++ b/lib/utils/url-command.js
@@ -1,6 +1,6 @@
 import * as regex from './url-regex';
 
-export const domainRegex = /([0-9]+[:.]*)+|([a-zA-Z0-9.]+[.][a-zA-Z0-9.]+([:][0-9]+)*){1}/;
+export const domainRegex = /([0-9]+[:.]*)+|([a-zA-Z0-9.]+[.][a-zA-Z0-9]+([:][0-9]+)*){1}/;
 
 export default function isUrlCommand(shell, data) {
   const matcher = regex[shell]; // eslint-disable-line import/namespace