How to match strings with java regular expressions: use tostring, the code is [while(matcher.find()){tmp.add(matcher.group(1).toString());}].
Java regular expression matching string method:
Use tostring
private static List<String> getImage(String str){
List<String> tmp=new ArrayList<String>();
String regex="<img src=\"([^\"]+?)\" />";
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(str);
System.out.println(str);
while(matcher.find()){
tmp.add(matcher.group(1).toString());
}
return tmp;
}Related learning recommendations: java basics
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