Nov 14, 2015 · These are considered Unicode properties. The Unicode property \p{L} — shorthand for \p{Letter} will match any kind of letter from any language. Therefore, \p{Lu} will match an uppercase.
Nov 14, 2015 · These are considered Unicode properties. The Unicode property \p{L} — shorthand for \p{Letter} will match any kind of letter from any language. Therefore, \p{Lu} will match an uppercase.