Escape characters with special meaning either inside or outside character sets. Uses a simple backslash escape when it’s always valid, and a \xnn escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.
\xnn
Escape characters with special meaning either inside or outside character sets. Uses a simple backslash escape when it’s always valid, and a
\xnnescape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.