Use regex for matching usage of `exec` and `--help`
Use regex for matching usage of `exec` and `--help`

See #4487 for more details

RochesterinNYC/bundler,bundler/bundler,mvz/bundler,asutoshpalai/bundler,bundler/bundler,mvz/bundler,RochesterinNYC/bundler,asutoshpalai/bundler,dilumnavanjana/bundler,dilumnavanjana/bundler