import java.util.*;
import java.util.regex.*;
 
class Demo {
    static public void main(String[] args) {
        String xy = "Mo 13:00 - 14:00, Di 15:00-19:00, Montag - Dienstag 18:00-23:00 Montag bis      Samstag 03:00 bis 10:00";
        Pattern pattern = Pattern.compile("([a-zA-Z][a-zA-Z\\s-]*\\d\\d[:]\\d\\d\\s*\\S*?\\s*\\d\\d[:]\\d\\d)");
        Matcher matcher = pattern.matcher(xy);
        while(matcher.find()) {
            System.out.println(matcher.group(1));
        }
    }
}
 

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