Remove white spaces from a list of wildcard patterns

[olejandro]

This PR allows distinguishing a comma-separated list of patterns from a pattern that includes commas.
It also increases correct rows on TUSM from 72.1% to 93.4%.

[siddharth-krishna]

Very exciting! Code looks good at a high level, but I'm not sure I follow the logic in detail. If you have time, it would be great to have a docstring on filter_by_pattern explaining the combined argument, and perhaps a unit test for create_regexp with an example demonstrating the white space removal and handling of comma separated values? Thanks

[olejandro]

Very exciting! Code looks good at a high level, but I'm not sure I follow the logic in detail. If you have time, it would be great to have a docstring on filter_by_pattern explaining the combined argument, and perhaps a unit test for create_regexp with an example demonstrating the white space removal and handling of comma separated values? Thanks

Thanks! I've added a docstring. Will open an issue for the unit test.