How does ant tasks works internally?

I need to know how each ant tasks works internally.

I know that the replaceregexp task matches a particular string with another. But i need to know how this happens internally. Not for this task alone. I need to know about all the ant tasks avaiable...

Can you please suggest some links for it? Thanks in advance......

Solution

The best way is to download the source code and look for yourself:

http://ant.apache.org/srcdownload.cgi

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