diff --git a/sources/corepackUtils.ts b/sources/corepackUtils.ts
index 6334231f8..b776de119 100644
--- a/sources/corepackUtils.ts
+++ b/sources/corepackUtils.ts
@@ -117,7 +117,7 @@ export async function installVersion(installTarget: string, locator: Locator, {s
     };
   }
 
-  const defaultNpmRegistryURL = spec.url.replace(/\{\}/g, version);
+  const defaultNpmRegistryURL = spec.url.replaceAll(`{}`, version);
   const url = process.env.COREPACK_NPM_REGISTRY ?
     defaultNpmRegistryURL.replace(
       npmRegistryUtils.DEFAULT_NPM_REGISTRY_URL,
diff --git a/sources/nodeUtils.ts b/sources/nodeUtils.ts
index 35956fbc4..873dc56d4 100644
--- a/sources/nodeUtils.ts
+++ b/sources/nodeUtils.ts
@@ -16,7 +16,7 @@ function getEndOfLine(content: string) {
 }
 
 export function normalizeLineEndings(originalContent: string, newContent: string) {
-  return newContent.replace(/\r?\n/g, getEndOfLine(originalContent));
+  return newContent.replaceAll(`{}`, getEndOfLine(originalContent));
 }
 
 function getIndent(content: string) {
diff --git a/tests/main.test.ts b/tests/main.test.ts
index cf1e16b2c..dc4267430 100644
--- a/tests/main.test.ts
+++ b/tests/main.test.ts
@@ -95,7 +95,7 @@ for (const [name, version] of testedPackageManagers) {
       await expect(runCli(cwd, [name, `--version`])).resolves.toMatchObject({
         exitCode: 0,
         stderr: ``,
-        stdout: expect.stringMatching(new RegExp(version.split(`+`, 1)[0])),
+        stdout: expect.stringContaining(version.split(`+`, 1)[0]),
       });
     });
   });
@@ -223,7 +223,7 @@ it(`should use the pinned version when local projects don't list any spec`, asyn
     });
 
     await expect(runCli(cwd, [`cnpm`, `--version`])).resolves.toMatchObject({
-      stdout: expect.stringMatching(new RegExp(config.definitions.cnpm.default.split(`+`, 1)[0])),
+      stdout: expect.stringContaining(`cnpm@${config.definitions.cnpm.default.split(` + `, 1)[0]}`),
       stderr: ``,
       exitCode: 0,
     });
@@ -333,7 +333,7 @@ it(`should refuse to run a different package manager within a configured project
         exitCode: 0,
       });
       await expect(runCli(cwd, [`cnpm`, `--version`])).resolves.toMatchObject({
-        stdout: expect.stringMatching(new RegExp(config.definitions.cnpm.default.split(`+`, 1)[0])),
+        stdout: expect.stringContaining(`cnpm@${config.definitions.cnpm.default.split(` + `, 1)[0]}`),
         stderr: ``,
         exitCode: 0,
       });
@@ -364,7 +364,7 @@ it(`should always use fallback version when project spec env is disabled`, async
         exitCode: 0,
       });
       await expect(runCli(cwd, [`cnpm`, `--version`])).resolves.toMatchObject({
-        stdout: expect.stringMatching(new RegExp(config.definitions.cnpm.default.split(`+`, 1)[0])),
+        stdout: expect.stringContaining(`cnpm@${config.definitions.cnpm.default.split(` + `, 1)[0]}`),
         stderr: ``,
         exitCode: 0,
       });
@@ -401,7 +401,7 @@ it(`should allow to call "corepack install -g --all" to prepare all package mana
       });
 
       await expect(runCli(cwd, [`cnpm`, `--version`])).resolves.toMatchObject({
-        stdout: expect.stringMatching(new RegExp(config.definitions.cnpm.default.split(`+`, 1)[0])),
+        stdout: expect.stringContaining(`cnpm@${config.definitions.cnpm.default.split(` + `, 1)[0]}`),
         stderr: ``,
         exitCode: 0,
       });
@@ -552,7 +552,7 @@ it(`should support hydrating multiple package managers from cached archives`, as
       });
 
       await expect(runCli(cwd, [`cnpm`, `--version`])).resolves.toMatchObject({
-        stdout: expect.stringMatching(/cnpm@9\.3\.2/),
+        stdout: expect.stringContaining(`cnpm@9.3.2`),
         stderr: ``,
         exitCode: 0,
       });