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Description
Is your feature request related to a problem or challenge? Please describe what you are trying to do.
Once apache/datafusion#11946 is complete, add these functions to the python wrapper
Describe the solution you'd like
Expose additional regexp functions in python.
- regexp_count()
- regexp_instr()
- regexp_matches()
- regexp_split_to_array()
- regexp_split_to_table()
- regexp_substr()
Describe alternatives you've considered
You can work around these with existing functions.