学习正则表达式的入门文档！ DEELX 是一个在 C++ 环境下的与 Perl 兼容的正则表达式引擎。是 RegExLab 开展的一个研究开发项目。 ,Learn the regular expression entry documents! DEELX is a C++ Environment with Perl-compatible regular expression engine. Is RegExLab carried out a research and development

Perl regular expression, useful for text file processing.