Fix code scanning alert no. 518: Inefficient regular expression

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aws-samples · Oct 30, 2024 · 0c4ed2a · 0c4ed2a
1 parent d0af5fb
commit 0c4ed2a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cli/config-manage.ts b/cli/config-manage.ts
@@ -38,7 +38,7 @@ const validators = {
   },
 
   hostname: (value: string): ValidatorResponse => {
-    const hostnameRegex = /^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9]).)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9-]*[A-Za-z0-9])$/;
+    const hostnameRegex = /^([a-zA-Z0-9](-?[a-zA-Z0-9])*\.)*[a-zA-Z0-9](-?[a-zA-Z0-9])*$/;
     return {
       isValid: hostnameRegex.test(value),
       message: 'Invalid hostname format',