diff --git a/src/extension/android/androidContainerUtility.ts b/src/extension/android/androidContainerUtility.ts
index 05d038bd8..05d6b4502 100644
--- a/src/extension/android/androidContainerUtility.ts
+++ b/src/extension/android/androidContainerUtility.ts
@@ -136,7 +136,7 @@ function validateAppName(app: string): Promise<string> {
 }
 
 function validateFilePath(filePath: string): Promise<string> {
-    if (!/^[A-Za-z0-9._\/-]+$/.test(filePath)) {
+    if (!/^[\w./-]+$/.test(filePath)) {
         return Promise.reject(new Error(`Disallowed filepath characters: ${filePath}`));
     }
     if (filePath.includes("..")) {
diff --git a/src/extension/commands/installExpoGoApplication.ts b/src/extension/commands/installExpoGoApplication.ts
index 3b1a870a1..c7e03110f 100644
--- a/src/extension/commands/installExpoGoApplication.ts
+++ b/src/extension/commands/installExpoGoApplication.ts
@@ -164,7 +164,7 @@ async function fetchJson(url: string): Promise<string> {
     });
 }
 
-const versionPattern = /^[0-9][0-9.]*$/;
+const versionPattern = /^\d[\d.]*$/;
 
 function validateVersion(version: string): string {
     if (!versionPattern.test(version)) {