根据文件 java.util.Pattern ,posix字符类 \p{Graph} ( [:graph:] 在posix符号中)匹配 “可见字符: [\p{Alnum}\p{Punct}] “ . 但是,这仅限于ASCII字符。是否有用于匹配(可见)Unicode字符的等效类或表达式?
\p{Graph}
[:graph:]
[\p{Alnum}\p{Punct}]
[^\p{Z}\p{C}]