Question

php正则表达式的使用转换为java

$str = preg_replace('#(&\#?[0-9a-z]{2,})([\x00-\x20])*;?#i', "\\1;\\2", $str); 这个是php的使用，转换为java的应该是怎么写

Answer 1

String str = "";
String reg = "(?i)(\\&\\#?[\\da-z]{2,})([\x00-\x20])*;?";
str = str.replaceAll(reg, "$1;$2");