正则表达式提取符号间内容

java提取中括号内容：(?<=\\[)(\\S+)(?=\\])

       提取中括号所有内容：(?<=\\[)(.*)(?=\\])

private static StringreNameJobName(String name){

String reName ="";

    String regex ="(?<=\\[)(\\S+)(?=\\])";

    Pattern pattern = Pattern.compile (regex);

    Matcher matcher = pattern.matcher (name);

    while (matcher.find ())

{

reName = matcher.group ();

    }

return reName;

}