java的转义字符 和 正则表达式的java用法，

java的转义字符 和 正则表达式的java用法，

\b \t \n \f \r \" \' \\

package com.statestr.gcth.support.config.loader;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class ConfigToolUtil {
public static String getStringNoBlank(String str) {
if(str!=null && !"".equals(str)) {
//1. \\s* all blank
//2. \t all tab
//3. \r all return
//4. \n all next line
// Pattern p = Pattern.compile("\\s*|\t|\r|\n");
Pattern p = Pattern.compile("\t|\r|\n");
Matcher m = p.matcher(str);
String strNoBlank = m.replaceAll("");
return strNoBlank;
}else {
return str;
}
}

public static void main(String[] args) {
String abc = "sdfsdf 1111\r" +
"ddfdfd \r ddfdfd\n333333\n66666";
String bcd = "sdfsdf 1111\r" +
"ddfdfd \r ddfdfd\n333333\n66666";
System.out.println(abc);
System.out.println(getStringNoBlank(abc));

System.out.println(getStringNoBlank(bcd).equals(getStringNoBlank(abc)));
}
}