gistfile1.pde

String dateText = "bla bla 08:11:21 bla bla";

// RegEx with comments in Java
String timeRegex = 
	".* 			# Any chars \n" +
	"(\\d\\d) 		# The hour \n" +
	":(\\d\\d):		# The minutes \n" +
	"(\\d\\d)		# The seconds \n" +
	".*			# Any chars \n";

Pattern pattern = Pattern.compile(timeRegex, Pattern.COMMENTS);
Matcher matcher = pattern.matcher(dateText);
if(matcher.find()){
	String hour = matcher.group(1);
	String min =  matcher.group(2);
	String sec =  matcher.group(3);
	System.out.println("Time : " + hour + "-" + min + "-" + sec);
}