Filename String Strangeness

[Craig Hoyt]

In a current project I store a list of file names in an array. After  
several days of tracking down odd behavior using this list I've  
discovered Apple, in it's infinite wisdom has used file names with  
hidden characters. The most obvious are the hidden Icon files which  
are used to alter the appearance of a file or folder. They have  
either a CR or LF for a fifth character in it's name. There are  
others. Is there a RegEx or encoding way to strip out all hidden  
characters in a string? Or, is there another way - other than the  
obvious way of walking the string and examining each character. I  
guess what I'm trying to say is there an elegant way of doing this?
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