File

Filename - Replace Invalid Characters

• List of Invalid Keyboard Characters for a Windows XP filename

• A list of the default invalid file name characters

• Regex expression to replace invalid filename characters.

  Replace invalid (and a few other characters from a file name) with an underline:

  String cleanFilename(final String fileName) {
      return fileName.replaceAll("[\\\\/:*%?\"<>|&\\]=]", "_");
  }