[C++] Cache compiled regex matchers in string kernels
Open
Component: C++
Type: enhancement
- Dominant language
- C++
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Description
### Describe the enhancement requested
https://github.com/apache/arrow/blob/727106f7ff65065298e1e79071fed2a408b4b4d6/cpp/src/arrow/compute/kernels/scalar_string_ascii.cc#L1371
https://github.com/apache/arrow/blob/727106f7ff65065298e1e79071fed2a408b4b4d6/cpp/src/arrow/compute/kernels/scalar_string_ascii.cc#L1381
https://github.com/apache/arrow/blob/727106f7ff65065298e1e79071fed2a408b4b4d6/cpp/src/arrow/compute/kernels/scalar_string_ascii.cc#L1965
https://github.com/apache/arrow/blob/727106f7ff65065298e1e79071fed2a408b4b4d6/cpp/src/arrow/compute/kernels/scalar_string_ascii.cc#L2218
### Component(s)
C++
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