title: How to replace variant array text in QT QML
body: <p>i want to replace string text in qml.
  for example,
  QML variant array exist. and i use to Text.</p>
  
  <pre><code>property variant    szString: ["", "", "", "", "", "", "", "", "", ""]
  </code></pre>
  
  <p>and</p>
  
  <pre><code>i do data in szString.
  szString[1] = "abcdefg"
  szString[2] = "a###b"
  ...
  </code></pre>
  
  <p>and</p>
  
  <pre><code>Text: {
      text: szString[index]
      ...
  }
  </code></pre>
  
  <p>i want to replace string at this text.
  For example,</p>
  
  <pre><code>i want szString[2].replace("#"," "). (i want result -- szString[2] = "a   b" )
  but, the QML language can't apply.(szString.replace("#"," ") can apply, but this result isn't... i don't want result)
  </code></pre>
  
  <p>Please help me....</p>