pyarrow.compute.find_substring#
- pyarrow.compute.find_substring(strings, /, pattern, *, ignore_case=False, options=None, memory_pool=None)#
Find first occurrence of substring.
For each string in strings, emit the index in bytes of the first occurrence of the given literal pattern, or -1 if not found. 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.