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Publications  This article describes some applications that
support regular expressions and some simple ways of usage. A few
interesting extensions for different types of applications are
mentioned. Just thinking about them can give a good
approximation where one might find them and possibly use them.
All programmers encounter regular expressions sooner or later.
Making logical operations is common in every programming
language and differs mainly in syntax. They were the first
reason for making these functions common in many different types
of applications. I wouldn't know anything about it, though. It
is something we, the users, don't usually stumble upon. To be
exact, we do encounter code bearing regexp many times, but we
just might not be aware of it. When was the last time you
registered to a forum or other site requiring regi