Java tutorial
import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static void main(String[] argv) throws Exception { CharSequence inputStr = "a\r\rb"; // Mac //inputStr = "a\r\n\r\nb"; // Windows //inputStr = "a\n\nb"; // Unix String patternStr = "(^.*\\S+.*$)+"; Pattern pattern = Pattern.compile(patternStr, Pattern.MULTILINE); Matcher matcher = pattern.matcher(inputStr); while (matcher.find()) { String paragraph = matcher.group(); } } }