Java 正则表达式替换

1. public String getHref(String src){
2. return "<img src='image/reply/" + src.substring( 1 , src.length()- 1 ) + "'/>" ;
3. }
5. public String replace(String str){
6. String regex= "\\[[^\\s&&[^\\[]]+\\]" ;
7. Pattern pattern=Pattern.compile(regex);
8. Matcher matcher=pattern.matcher(str);
9. if (matcher.find()){
10. str=matcher.replaceFirst(getHref(matcher.group()));
11. return replace(str);
12. }
13. else {
14. return str;
15. }
16. }