diff --git a/packages/utilities/src/utilities.ts b/packages/utilities/src/utilities.ts
index 892395172..50efccb3c 100644
--- a/packages/utilities/src/utilities.ts
+++ b/packages/utilities/src/utilities.ts
@@ -429,3 +429,10 @@ export async function timeoutPromise<T>(promise: Promise<T>, timeoutMillis: numb
         timeout = setTimeout(() => callback(new Error(errorMessage)), timeoutMillis) as unknown as number;
     });
 }
+
+/**
+ * Removes the leading ^ and trailing $ from regex
+ */
+export function createInjectableRegExp(regex: RegExp) {
+    return new RegExp(regex.source.replace(/^\^|\$$/g, ''));
+}
diff --git a/test/utilities.test.ts b/test/utilities.test.ts
index 4f4552e56..07ad49b3b 100644
--- a/test/utilities.test.ts
+++ b/test/utilities.test.ts
@@ -398,3 +398,21 @@ describe('BetterSetInterval', () => {
         expect(fn).toHaveBeenCalledTimes(4);
     });
 });
+
+describe('createInjectableRegExp()', () => {
+    it('works with leading ^ and trailing $', () => {
+        expect(utils.createInjectableRegExp(/^[\w._~]+$/)).toStrictEqual(/[\w._~]+/);
+    });
+
+    it('works with leading ^', () => {
+        expect(utils.createInjectableRegExp(/^[\w._~]+/)).toStrictEqual(/[\w._~]+/);
+    });
+
+    it('works with trailing $', () => {
+        expect(utils.createInjectableRegExp(/[\w._~]+$/)).toStrictEqual(/[\w._~]+/);
+    });
+
+    it('works when regex is already injectable', () => {
+        expect(utils.createInjectableRegExp(/[\w._~]+/)).toStrictEqual(/[\w._~]+/);
+    });
+});