httpservices/src/main/java/ucar/httpservices/Escape.java
public static String backslashDecode(String s)
    {
        StringBuilder buf = new StringBuilder(s);
        int i = 0;
        while(i < buf.length()) {
            if(buf.charAt(i) == '\\') {
                buf.deleteCharAt(i);
            }
            i++;
        }
        return buf.toString();
    }
public static String backslashDecode(String s)
    {
        StringBuilder buf = new StringBuilder(s);
        int i = 0;
        while(i < buf.length()) {
            if(buf.charAt(i) == '\\') {
                buf.deleteCharAt(i);
            }
            i++;
        }
        return buf.toString();
    }
Define the DEFINITIVE URL BACKSLASH unescape function.

@param s The string to unescape.
@return The unescaped expression.