常用正则表达式

1.判断一个字符串中是否包含日期 yyyy-MM-dd

Pattern pattern = Pattern.compile("\d{4}\-(0?[1-9]|[1][012])\-(0?[1-9]|[12][0-9]|3[01])");
Matcher matcher = pattern.matcher(date);

2.是否包含手机号

Pattern mobilePattern = Pattern.compile("^((13[0-9])|(14[5|7])|(15[^4,\D])|(18[0-9])|(17[0-9])|(166)|(19[8|9]))\d{8}$");
Matcher mobileMatcher = mobilePattern.matcher(mobile.trim());

3.是否包含邮箱

Pattern emailPattern = Pattern.compile("^([a-z0-9A-Z]+[-|\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\.)+[a-zA-Z]{2,}$");
Matcher emailMatcher = emailPattern.matcher(email.trim());