diff --git a/packages/playwright-core/src/client/network.ts b/packages/playwright-core/src/client/network.ts
index 01525b2939ff2..4670f6d059135 100644
--- a/packages/playwright-core/src/client/network.ts
+++ b/packages/playwright-core/src/client/network.ts
@@ -603,7 +603,7 @@ export class WebSocketRouteHandler {
   }
 
   public matches(wsURL: string): boolean {
-    return urlMatches(this._baseURL, wsURL, this.url);
+    return urlMatches(this._baseURL, wsURL, this.url, true);
   }
 
   public async handle(webSocketRoute: WebSocketRoute) {
diff --git a/packages/playwright-core/src/protocol/validator.ts b/packages/playwright-core/src/protocol/validator.ts
index 109990bc88c49..da56445699f0a 100644
--- a/packages/playwright-core/src/protocol/validator.ts
+++ b/packages/playwright-core/src/protocol/validator.ts
@@ -344,6 +344,14 @@ scheme.LocalUtilsTraceDiscardedParams = tObject({
   stacksId: tString,
 });
 scheme.LocalUtilsTraceDiscardedResult = tOptional(tObject({}));
+scheme.LocalUtilsGlobToRegexParams = tObject({
+  glob: tString,
+  baseURL: tOptional(tString),
+  webSocketUrl: tOptional(tBoolean),
+});
+scheme.LocalUtilsGlobToRegexResult = tObject({
+  regex: tString,
+});
 scheme.RootInitializer = tOptional(tObject({}));
 scheme.RootInitializeParams = tObject({
   sdkLanguage: tEnum(['javascript', 'python', 'java', 'csharp']),
diff --git a/packages/playwright-core/src/server/dispatchers/localUtilsDispatcher.ts b/packages/playwright-core/src/server/dispatchers/localUtilsDispatcher.ts
index 1c74b7258ca3f..a681b349d325f 100644
--- a/packages/playwright-core/src/server/dispatchers/localUtilsDispatcher.ts
+++ b/packages/playwright-core/src/server/dispatchers/localUtilsDispatcher.ts
@@ -24,6 +24,7 @@ import { Progress, ProgressController } from '../progress';
 import { SocksInterceptor } from '../socksInterceptor';
 import { WebSocketTransport } from '../transport';
 import { fetchData } from '../utils/network';
+import { resolveGlobToRegexPattern } from '../../utils/isomorphic/urlMatch';
 
 import type { HarBackend } from '../harBackend';
 import type { CallMetadata } from '../instrumentation';
@@ -120,6 +121,11 @@ export class LocalUtilsDispatcher extends Dispatcher<{ guid: string }, channels.
       return { pipe, headers: transport.headers };
     }, params.timeout || 0);
   }
+
+  async globToRegex(params: channels.LocalUtilsGlobToRegexParams, metadata?: CallMetadata): Promise<channels.LocalUtilsGlobToRegexResult> {
+    const regex = resolveGlobToRegexPattern(params.baseURL, params.glob, params.webSocketUrl);
+    return { regex };
+  }
 }
 
 async function urlToWSEndpoint(progress: Progress | undefined, endpointURL: string): Promise<string> {
diff --git a/packages/playwright-core/src/server/dispatchers/webSocketRouteDispatcher.ts b/packages/playwright-core/src/server/dispatchers/webSocketRouteDispatcher.ts
index f31bf7659d860..b85aae5b3f766 100644
--- a/packages/playwright-core/src/server/dispatchers/webSocketRouteDispatcher.ts
+++ b/packages/playwright-core/src/server/dispatchers/webSocketRouteDispatcher.ts
@@ -148,7 +148,7 @@ export class WebSocketRouteDispatcher extends Dispatcher<{ guid: string }, chann
 function matchesPattern(dispatcher: PageDispatcher | BrowserContextDispatcher, baseURL: string | undefined, url: string) {
   for (const pattern of dispatcher._webSocketInterceptionPatterns || []) {
     const urlMatch = pattern.regexSource ? new RegExp(pattern.regexSource, pattern.regexFlags) : pattern.glob;
-    if (urlMatches(baseURL, url, urlMatch))
+    if (urlMatches(baseURL, url, urlMatch, true))
       return true;
   }
   return false;
diff --git a/packages/playwright-core/src/utils/isomorphic/urlMatch.ts b/packages/playwright-core/src/utils/isomorphic/urlMatch.ts
index a6afce68dde77..35965191c9ddd 100644
--- a/packages/playwright-core/src/utils/isomorphic/urlMatch.ts
+++ b/packages/playwright-core/src/utils/isomorphic/urlMatch.ts
@@ -19,7 +19,7 @@ import { isString } from './stringUtils';
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_expressions#escaping
 const escapedChars = new Set(['$', '^', '+', '.', '*', '(', ')', '|', '\\', '?', '{', '}', '[', ']']);
 
-export function globToRegex(glob: string): RegExp {
+export function globToRegexPattern(glob: string): string {
   const tokens = ['^'];
   let inGroup = false;
   for (let i = 0; i < glob.length; ++i) {
@@ -70,7 +70,7 @@ export function globToRegex(glob: string): RegExp {
     }
   }
   tokens.push('$');
-  return new RegExp(tokens.join(''));
+  return tokens.join('');
 }
 
 function isRegExp(obj: any): obj is RegExp {
@@ -85,14 +85,39 @@ export function urlMatchesEqual(match1: URLMatch, match2: URLMatch) {
   return match1 === match2;
 }
 
-export function urlMatches(baseURL: string | undefined, urlString: string, match: URLMatch | undefined): boolean {
+export function urlMatches(baseURL: string | undefined, urlString: string, match: URLMatch | undefined, webSocketUrl?: boolean): boolean {
   if (match === undefined || match === '')
     return true;
-  if (isString(match) && !match.startsWith('*')) {
-    // Allow http(s) baseURL to match ws(s) urls.
-    if (baseURL && /^https?:\/\//.test(baseURL) && /^wss?:\/\//.test(urlString))
-      baseURL = baseURL.replace(/^http/, 'ws');
+  if (isString(match))
+    match = new RegExp(resolveGlobToRegexPattern(baseURL, match, webSocketUrl));
+  if (isRegExp(match)) {
+    const r = match.test(urlString);
+    return r;
+  }
+  const url = parseURL(urlString);
+  if (!url)
+    return false;
+  if (typeof match !== 'function')
+    throw new Error('url parameter should be string, RegExp or function');
+  return match(url);
+}
+
+export function resolveGlobToRegexPattern(baseURL: string | undefined, glob: string, webSocketUrl?: boolean): string {
+  if (webSocketUrl)
+    baseURL = toWebSocketBaseUrl(baseURL);
+  glob = resolveGlobBase(baseURL, glob);
+  return globToRegexPattern(glob);
+}
+
+function toWebSocketBaseUrl(baseURL: string | undefined) {
+  // Allow http(s) baseURL to match ws(s) urls.
+  if (baseURL && /^https?:\/\//.test(baseURL))
+    baseURL = baseURL.replace(/^http/, 'ws');
+  return baseURL;
+}
 
+function resolveGlobBase(baseURL: string | undefined, match: string): string {
+  if (!match.startsWith('*')) {
     const tokenMap = new Map<string, string>();
     function mapToken(original: string, replacement: string) {
       if (original.length === 0)
@@ -123,16 +148,7 @@ export function urlMatches(baseURL: string | undefined, urlString: string, match
       resolved = resolved.replace(token, original);
     match = resolved;
   }
-  if (isString(match))
-    match = globToRegex(match);
-  if (isRegExp(match))
-    return match.test(urlString);
-  const url = parseURL(urlString);
-  if (!url)
-    return false;
-  if (typeof match !== 'function')
-    throw new Error('url parameter should be string, RegExp or function');
-  return match(url);
+  return match;
 }
 
 function parseURL(url: string): URL | null {
diff --git a/packages/protocol/src/channels.d.ts b/packages/protocol/src/channels.d.ts
index 582c61e721378..80aca67578622 100644
--- a/packages/protocol/src/channels.d.ts
+++ b/packages/protocol/src/channels.d.ts
@@ -473,6 +473,7 @@ export interface LocalUtilsChannel extends LocalUtilsEventTarget, Channel {
   tracingStarted(params: LocalUtilsTracingStartedParams, metadata?: CallMetadata): Promise<LocalUtilsTracingStartedResult>;
   addStackToTracingNoReply(params: LocalUtilsAddStackToTracingNoReplyParams, metadata?: CallMetadata): Promise<LocalUtilsAddStackToTracingNoReplyResult>;
   traceDiscarded(params: LocalUtilsTraceDiscardedParams, metadata?: CallMetadata): Promise<LocalUtilsTraceDiscardedResult>;
+  globToRegex(params: LocalUtilsGlobToRegexParams, metadata?: CallMetadata): Promise<LocalUtilsGlobToRegexResult>;
 }
 export type LocalUtilsZipParams = {
   zipFile: string,
@@ -572,6 +573,18 @@ export type LocalUtilsTraceDiscardedOptions = {
 
 };
 export type LocalUtilsTraceDiscardedResult = void;
+export type LocalUtilsGlobToRegexParams = {
+  glob: string,
+  baseURL?: string,
+  webSocketUrl?: boolean,
+};
+export type LocalUtilsGlobToRegexOptions = {
+  baseURL?: string,
+  webSocketUrl?: boolean,
+};
+export type LocalUtilsGlobToRegexResult = {
+  regex: string,
+};
 
 export interface LocalUtilsEvents {
 }
diff --git a/packages/protocol/src/protocol.yml b/packages/protocol/src/protocol.yml
index f385b3eb7ad40..3c2366f166558 100644
--- a/packages/protocol/src/protocol.yml
+++ b/packages/protocol/src/protocol.yml
@@ -705,6 +705,14 @@ LocalUtils:
       parameters:
         stacksId: string
 
+    globToRegex:
+      parameters:
+        glob: string
+        baseURL: string?
+        webSocketUrl: boolean?
+      returns:
+        regex: string
+
 Root:
   type: interface
 
diff --git a/tests/page/interception.spec.ts b/tests/page/interception.spec.ts
index 1c2a8f5f4665a..80c94d0854034 100644
--- a/tests/page/interception.spec.ts
+++ b/tests/page/interception.spec.ts
@@ -16,7 +16,7 @@
  */
 
 import { test as it, expect } from './pageTest';
-import { globToRegex, urlMatches } from '../../packages/playwright-core/lib/utils/isomorphic/urlMatch';
+import { globToRegexPattern, urlMatches } from '../../packages/playwright-core/lib/utils/isomorphic/urlMatch';
 import vm from 'vm';
 
 it('should work with navigation @smoke', async ({ page, server }) => {
@@ -71,6 +71,9 @@ it('should intercept after a service worker', async ({ page, server, browserName
 });
 
 it('should work with glob', async () => {
+  function globToRegex(glob: string): RegExp {
+    return new RegExp(globToRegexPattern(glob));
+  }
   expect(globToRegex('**/*.js').test('https://localhost:8080/foo.js')).toBeTruthy();
   expect(globToRegex('**/*.css').test('https://localhost:8080/foo.js')).toBeFalsy();
   expect(globToRegex('*.js').test('https://localhost:8080/foo.js')).toBeFalsy();