Java tutorial
//package com.java2s; //License from project: Open Source License import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static String replaceBlank(String str) { if (str == null) { return null; } Pattern p = Pattern.compile("\\s*|\t|\r|\n"); Matcher m = p.matcher(str); String after = m.replaceAll(""); return after; } }