Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456 datafusion::functions::regex::regexpcount - Rust
arrow-rs style implementation of regexp_count function.
This function regexp_count is responsible for counting the occurrences of a regular expression pattern
within a string array. It supports optional start positions and flags for case insensitivity.