diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9a73c34..a01840c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - Russian Translation
 - Afrikaans Translation
 - Add postinstall script to notify user that MagicMirror installed successfully despite warnings from NPM.
+- Option to use RegExp in Calendar's titleReplace.
 
 ### Fixed
 - Update .gitignore to not ignore default modules folder.
diff --git a/modules/default/calendar/calendar.js b/modules/default/calendar/calendar.js
index b719ac01..53e9187c 100644
--- a/modules/default/calendar/calendar.js
+++ b/modules/default/calendar/calendar.js
@@ -379,6 +379,13 @@ Module.register("calendar", {
 	titleTransform: function (title) {
 		for (var needle in this.config.titleReplace) {
 			var replacement = this.config.titleReplace[needle];
+
+			var regParts = needle.match(/^\/(.+)\/([gim]*)$/);
+			if (regParts) {
+			  // the parsed pattern is a regexp.
+			  needle = new RegExp(regParts[1], regParts[2]);
+			}
+
 			title = title.replace(needle, replacement);
 		}