Beyond the C++ Standard Library: An Introduction to Boost [Electronic resources] نسخه متنی

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Beyond the C++ Standard Library: An Introduction to Boost [Electronic resources] - نسخه متنی

Bjorn Karlsson

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Regex Summary


That regular expressions are useful and important is not disputed, and this library brings terrific regex power to C++. Traditionally, users have had few choices besides using the POSIX C APIs for regular expressions. For text-processing validation tasks, regular expressions are much more scalable and reliable than handcrafted parsers. For searching and replacing, there are a number of problems that are very elegantly solved using regular expressions, but virtually impossible to solve without them.

Boost.Regex is a powerful library so it has not been possible to cover all of it in this chapter. Similarly, the great expressiveness and range of application of regular expressions necessarily means that this chapter offers little more than an introduction to them. These topics could easily fill a separate book. To learn more, study the online documentation for Boost.Regex and pick up a book on regular expressions (consult the Bibliography for suggestions). Despite the power of Boost.Regex, and the breadth and depth of regular expressions, even complete neophytes can use regular expressions effectively with this library. For programmers who have selected other programming languages due to C++'s lack of support for regular expressions, welcome home.

Boost.Regex is not the only regular expression library available for C++ programmers, but it is certainly one of the best. It's easy to use and fast as lightning when matching your regular expressions. Use it as often as you can.

The author of Boost.Regex is Dr. John Maddock.

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