01 02 03 04 05 06 07 08 09 10 11 12 13 14 | import java.util.regex.Matcher;import java.util.regex.Pattern;public static String replaceLineBlanks(String str) { String result = ""; if (str == null || "".equals(str)) { Pattern p = Pattern.compile("(r?n(s*r?n)+)"); Matcher m = p.matcher(str); result = m.replaceAll("rn"); } return result;} |