From c0ab95266a68853156de804b1f2895755df4e3f7 Mon Sep 17 00:00:00 2001
From: moander <moander@outlook.com>
Date: Wed, 27 Oct 2021 09:44:15 +0200
Subject: [PATCH] fix(core): support regex global flag in urlMatches (#2560)

Co-authored-by: Daniel Dyla <dyladan@users.noreply.github.com>
---
 packages/opentelemetry-core/src/utils/url.ts       |  2 +-
 packages/opentelemetry-core/test/utils/url.test.ts | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/packages/opentelemetry-core/src/utils/url.ts b/packages/opentelemetry-core/src/utils/url.ts
index 9db9725b82..a6122ae784 100644
--- a/packages/opentelemetry-core/src/utils/url.ts
+++ b/packages/opentelemetry-core/src/utils/url.ts
@@ -17,7 +17,7 @@ export function urlMatches(url: string, urlToMatch: string | RegExp): boolean {
   if (typeof urlToMatch === 'string') {
     return url === urlToMatch;
   } else {
-    return urlToMatch.test(url);
+    return !!url.match(urlToMatch);
   }
 }
 /**
diff --git a/packages/opentelemetry-core/test/utils/url.test.ts b/packages/opentelemetry-core/test/utils/url.test.ts
index 91ae9b75c5..8855cff23c 100644
--- a/packages/opentelemetry-core/test/utils/url.test.ts
+++ b/packages/opentelemetry-core/test/utils/url.test.ts
@@ -71,5 +71,18 @@ describe('Core - Utils - url', () => {
         );
       });
     });
+    describe('when regex has global flag', () => {
+      it('should return true', () => {
+        const ignoredUrls = [/myaddr/g];
+        // Run test multiple times to ensure same result (git.io/JimS1)
+        for (let i = 0; i < 3; i++) {
+          assert.strictEqual(
+            isUrlIgnored(urlToTest, ignoredUrls),
+            true,
+            urlIgnored
+          );
+        }
+      });
+    });
   });
 });