//! String operations on GPU string columns.
//!
//! This module provides GPU-accelerated string manipulation functions
//! including case conversion, search, pattern matching, replacement,
//! splitting, stripping, type conversion, concatenation, slicing,
//! regex extraction, padding, repetition, reversal, character type
//! checking, SQL LIKE matching, translation, word wrapping, and
//! string attribute queries.
//!
//! All operations work on string-type [`Column`](crate::Column)s and
//! return new columns (or tables) without modifying the input.