java正則表達式去掉空格，換行符，回車(chē)符等
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class StringUtil {
public static void replaceBlank() {
Pattern p = Pattern.compile("
String str = "This\r is\n a\t test!";
System.out.println("original string:" + str);
Matcher m = p.matcher(str);
String after = m.replaceAll("");
System.out.println("after replace:" + after);
}
public static void main(String[] args) {
replaceBlank();
}
}
