Module containing predefined character classes matching any single character defined as a "letter" by the Unicode specification.
Module containing predefined character classes matching any single character defined as a "mark" by the Unicode specification.
Module containing predefined character classes matching any single character defined as a "number" by the Unicode specification.
Module containing predefined character classes matching any single character that does not fit into any other category defined by the Unicode specification.
Module containing predefined character classes matching any single character that is defined as "punctuation" by the Unicode specification.
Module containing predefined character classes matching any single character defined as a "separator" by the Unicode specification.
Module containing predefined character classes matching any single character that is defined as a "symbol" by the Unicode specification.
Creates a character class matching any single character within the specified Unicode block.
Module containing predefined character classes matching a single character that has certain traits defined by the Unicode specification.