Get the byte length of a string

Question

Is there an easy way to get the byte length of a string in AS3? String.length works in many cases, but breaks if it encounters mulibyte unicode characters.

(in this particular case, I need to know this so I can preface messages sent across a TCP socket with the message length. This is in standard netstring format e.g. "length:message,").

Paul Gregoire · Accepted Answer · 2010-09-04 22:09:37Z

7

Use a ByteArray like so:

   var b:ByteArray = new ByteArray();
   b.writeUTFBytes("This is my test string");
   trace("Byte length: " + b.length);

Info on ByteArray here: http://www.adobe.com/livedocs/flash/9.0/ActionScriptLangRefV3/flash/utils/ByteArray.html

answered Sep 4, 2010 at 22:09

Paul Gregoire

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