The string extension class for C # tool classes

/// <summary>    ///Dictionary string Help class/// </summary>     Public Static classStringhelper {/// <summary>        ///returns the byte array corresponding to the string in the default encoding/// </summary>        /// <param name= "Data" >string</param>        /// <returns>byte array</returns>         Public Static byte[] GetBytes ( This stringdata) {            returnEncoding.Default.GetBytes (data); }        /// <summary>        ///returns a byte array corresponding to a string with a custom encoding/// </summary>        /// <param name= "Data" >string</param>        /// <param name= "encoding" >Coding</param>        /// <returns>byte array</returns>         Public Static byte[] GetBytes ( This stringdata, Encoding Encoding) {            returnencoding.        GetBytes (data); }        /// <summary>        ///encode a string in Base64 mode/// </summary>        /// <param name= "value" >string</param>        /// <returns>Base64 encoded string</returns>         Public Static stringEncodeBase64 ( This stringvalue) {            returnvalue.        EncodeBase64 (Encoding.UTF8); }        /// <summary>        ///encode a string in Base64 mode/// </summary>        /// <param name= "value" >string</param>        /// <param name= "encoding" >Encoding Method</param>        /// <returns>string that is encoded in BASE64 mode</returns>         Public Static stringEncodeBase64 ( This stringvalue, Encoding Encoding) {Encoding= (encoding??Encoding.UTF8); varbytes =encoding.            GetBytes (value); returnconvert.tobase64string (bytes); }        /// <summary>        ///decoding a string after encoding the Base64 method/// </summary>        /// <param name= "Encodedvalue" >Base64-encoded string</param>        /// <returns>Decoded String</returns>         Public Static stringDecodeBase64 ( This stringencodedvalue) {            returnencodedvalue.decodebase64 (Encoding.UTF8); }        /// <summary>        ///decoding a string after encoding the Base64 method/// </summary>        /// <param name= "Encodedvalue" >Base64-encoded string</param>        /// <param name= "encoding" >Encoding Method</param>        /// <returns>Decoded String</returns>         Public Static stringDecodeBase64 ( This stringEncodedvalue, Encoding Encoding) {Encoding= (encoding??Encoding.UTF8); varbytes =convert.frombase64string (encodedvalue); returnencoding.        GetString (bytes); }    }

The string extension class for C # tool classes