复制代码 代码如下:
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
* @author lei
* 2011-9-2
*/
public class StringUtils {

public static String replaceBlank(String str) {
String dest = "";
if (str!=null) {
Pattern p = Pattern.compile("\\s*|\t|\r|\n");
Matcher m = p.matcher(str);
dest = m.replaceAll("");
}
return dest;
}
public static void main(String[] args) {
System.out.println(StringUtils.replaceBlank("just do it!"));
}

}