fix: regex

.github/workflows/1-pr-check.yml

@@ -68,7 +68,7 @@ jobs:
             IMAGE=$(grep '^image: ' $algo | sed 's/^image: \+//' | tr -d \'\")
             echo "running: $IMAGE"
             docker run -v ./tests/data:/data -v /tmp:/output -e INPUT=bipolar.edf -e OUTPUT=out.tsv $IMAGE
-            HEADER_REGEX='^onset	duration	eventType	confidence	channels	dateTime	recordingDuration$'
+            HEADER_REGEX='onset	duration	eventType	confidence	channels	dateTime	recordingDuration'
             head -n1 /tmp/out.tsv
             if ! [[ $(head -n1 /tmp/out.tsv) =~ "$HEADER_REGEX" ]]; then
               echo "Output does not have the expected header"