摘要: 1.只保留数字 String privacy = "dssf232df412?..w234343"; String regEx="[^0-9]"; Pattern p = Pattern.compile(regEx); Matcher m = p.matcher(privacy); privacy 阅读全文
posted @ 2019-03-15 16:36 qwer78 阅读(16) 评论(0) 推荐(0)