java使用正则表达式替换并保留原字符串，在原字符串前后添加符号

sql = sql.replaceAll(":admdivcode(\\d{6})", "'$1'");

实现结果是如：sql = "select * from tbb where admdivcode = :admdivcode120000 "

使用正则表达示替换后为 select * from tbb where admdivcode = '120000'