The only way that comes to mind is to use EVAL, but that's not golf-friendly at all.
Perhaps you can find something sufficiently short based on .contains, .index, .starts-with, .ends-with, and friedns?
- Parse a string into a regex? Sean McAfee
- Re: Parse a string into a regex? Timo Paulssen
- Re: Parse a string into a regex? Patrick R. Michaud
- Re: Parse a string into a regex? Sean McAfee
- Re: Parse a string into a regex? Andreas Mueller
- Re: Parse a string into a regex? Lloyd Fournier
