pyarrow.compute.count_substring_regex#
- pyarrow.compute.count_substring_regex(strings,/,pattern,*,ignore_case=False,options=None,memory_pool=None)#
Count occurrences of substring.
For each string instrings, emit the number of occurrences of the givenregular expression pattern.Null inputs emit null. The pattern must be given in MatchSubstringOptions.
- Parameters:
- stringsArray-like or scalar-like
Argument to compute function.
- pattern
str Substring pattern to look for inside input values.
- ignore_casebool, default
False Whether to perform a case-insensitive match.
- options
pyarrow.compute.MatchSubstringOptions, optional Alternative way of passing options.
- memory_pool
pyarrow.MemoryPool, optional If not passed, will allocate memory from the default memory pool.
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