In the YAML folded block scalar, \\. was passed literally to regex_search as \., so it never matched valid semver strings like 0.21.1. Use \. instead so the dot is matched correctly.
In the YAML folded block scalar, \\. was passed literally to regex_search as \., so it never matched valid semver strings like 0.21.1. Use \. instead so the dot is matched correctly.