首先，修改代码以调用 compile 的备用版本：. Pattern pattern = Pattern.compile(console.readLine("%nEnter your regex: "), Pattern.CASE_INSENSITIVE);. 然后 ... ... <看更多>

The Jeva regex looks for a sequence of word characters, i.e. [a-zA-Z_0-9]+ preceding a word boundary. But 中文 doesn't fit \w . If you use \\b ... ... <看更多>