Added regex flags

Author: TheBusyBiscuit

package.json

@@ -1,6 +1,6 @@
 {
   "name": "recently-closed-issues",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "This GitHub Action provides an easy way to retrieve all issues that were recently closed by a commit",
   "main": "src/index.js",
   "scripts": {

src/index.js

@@ -29,7 +29,7 @@ async function run() {
 		let message = commits.data[i].commit.message;
 
 		for (let k in keywords) {
-			let regexp = new RegExp(keywords[k] + ' #([0-9]+)');
+			let regexp = new RegExp(keywords[k] + ' #([0-9]+)', 'gi');
 			let match = regexp.exec(message);
 
 			while (match != null) {