This document provides all the information you need to read and write programs in the Standard C programming language. It describes all aspects of Standard C that are the same on all implementations that conform to the standard for C. Whenever your
精通正则表达式（第3版）英文.chm Regular expressions are an extremely powerful tool for manipulating text and data. They are now standard features in a wide range of languages and popular tools, including Perl, Python, Ruby, Java, VB.NET and C# (and any language
