tustvold commented on code in PR #3295:
URL: https://github.com/apache/arrow-rs/pull/3295#discussion_r1043407782
##########
arrow-string/src/regexp.rs:
##########
@@ -18,22 +18,154 @@
//! Defines kernel to extract substrings based on a regular
//! expression of a \[Large\]StringArray
-use crate::array::{
- ArrayRef, GenericStringArray, GenericStringBuilder, ListBuilder,
OffsetSizeTrait,
-};
-use crate::error::{ArrowError, Result};
+use arrow_array::builder::{BooleanBufferBuilder, GenericStringBuilder,
ListBuilder};
+use arrow_array::{Array, ArrayRef, BooleanArray, GenericStringArray,
OffsetSizeTrait};
+use arrow_data::bit_mask::combine_option_bitmap;
+use arrow_data::ArrayData;
+use arrow_schema::{ArrowError, DataType};
+use regex::Regex;
use std::collections::HashMap;
-
use std::sync::Arc;
-use regex::Regex;
+/// Perform SQL `array ~ regex_array` operation on [`StringArray`] /
[`LargeStringArray`].
Review Comment:
These functions are moved from `comparison.rs`
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