pyarrow.compute.extract_regex¶
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pyarrow.compute.extract_regex(strings, *, memory_pool=None, options=None, pattern)¶ Extract substrings captured by a regex pattern.
For each string in strings, match the regular expression and, if successful, emit a struct with field names and values coming from the regular expression’s named capture groups. If the input is null or the regular expression fails matching, a null output value is emitted.
Regular expression matching is done using the Google RE2 library.
- Parameters
strings (Array-like or scalar-like) – Argument to compute function
memory_pool (pyarrow.MemoryPool, optional) – If not passed, will allocate memory from the default memory pool.
options (pyarrow.compute.ExtractRegexOptions, optional) – Parameters altering compute function semantics.
pattern (optional) – Parameter for ExtractRegexOptions constructor. Either options or pattern can be passed, but not both at the same time.