private static String unescapeString(String value) {

        Matcher matcher = PATTERN_UNESCAPE.matcher(value);
        return matcher.replaceAll("\\\\\\\\$1");
    }
private static String unescapeString ( String value ) { Matcher matcher = PATTERN_UNESCAPE . matcher ( value ) ; return matcher . replaceAll ( "\\\\\\\\$1" ) ; }
Unescapes the value of a property in a property file to
be saved correctly in OpenCms.<p>

Mainly handles all escaping sequences that start with a backslash.<p>

@see #escapeString(String)

@param value the value taken form the property file

@return the unescaped string value