摘要: . any character \d A digit 0-9 \D a non-digit [^0-9] \s a whitespace character, 空白字符 \S a non-whitespace character \w a word character [a-zA-Z0-9] \W 阅读全文
posted @ 2016-04-11 17:59 wujixing909 阅读(158) 评论(0) 推荐(0) 编辑