PowerGREP PowerGREP是一个强大的GREP工具，它可以在大量的文本和二进制文件之中完成搜索，如：软件源代码、信件、服务器或系统日志、参考文本、历史档案等，可以快速、精确地查找你正在寻找的东西。PowerGREP也可以完成复杂的文本和二进制替换操作使网站、软件源码、报告等易于维护，你可以使用纯文本或强大的兼容Perl的正则表达式来进行搜寻。

PowerGREP is a powerful Windows grep tool. Quickly search through large numbers of files
on your PC or network, including text and binary files, compressed archives,
MS Word documents, Excel spreadsheets and PDF files, etc. Find the information you want
with powerful text patterns (regular expressions) specifying the form of what you want,
instead of literal text. Search and replace with one or many regular expressions to
comprehensively maintain web sites, source code, reports, etc. Extract statistics and
knowledge from logs files and large data sets.