Characters allowed on CQ5 file name

Question

When uploading a file(an image to the dam folder as an example) on CQ5 using CRXDE lite or other UI interface, the system would give an error message if the file being uploaded has invalid characters.

I just found out that [ and ] are not allowed as part of file names.

But when uploading file using a non-UI interface, SlingPostServlet for example, the character [ gets replaced with the percent encoding representation(%5D) and no error gets generated.

Is there some kind of list/doc that would show which characters are not allowed in CQ5?

Using CQ5.4

Pawan-Gupta · Accepted Answer

I think the default allowed characters are alphabets(a-z A-Z), numbers (0-9), hyphens (-), and underscores (_)

smacdonald2008 · Answer

WHen using Java -- here is a good thread:http://stackoverflow.com/questions/1184176/how-can-i-safely-encode-a-string-in-java-to-use-as-a-filename.

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