Fix regex

.github/workflows/run-zombienet-tests.yml

@@ -5,10 +5,10 @@ on:
   workflow_dispatch:
     inputs:
       test_name:
-        description: "Name of the test suite to be run (default: \"*\", supports regex)"
+        description: "Name of the test suite to be run (e.g. zombie_flashbox, supports regex)"
         required: true
         type: string
-        default: "*"
+        default: ".*"
       foundation_type:
         description: Foundation type to filter tests, select zombie to run all zombienet tests
         required: true
@@ -45,13 +45,13 @@ jobs:
         run: |
           # Read and filter the tests from the config file
           if [ "${{ github.event.inputs.foundation_type || 'zombie' }}" = "*" ]; then
-            tests=$(jq -r --arg regex "${{ github.event.inputs.test_name || '*' }}" '
+            tests=$(jq -r --arg regex "${{ github.event.inputs.test_name || '.*' }}" '
               .environments
               | map(select(.name | test($regex)))
               | map(.name)
             ' test/moonwall.config.json | jq -c '.')
           else
-            tests=$(jq -r --arg type "${{ github.event.inputs.foundation_type || 'zombie' }}" --arg regex "${{ github.event.inputs.test_name || '*' }}" '
+            tests=$(jq -r --arg type "${{ github.event.inputs.foundation_type || 'zombie' }}" --arg regex "${{ github.event.inputs.test_name || '.*' }}" '
               .environments
               | map(select(.foundation.type == $type))
               | map(select(.name | test($regex)))