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 projects.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001192s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.096131s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003517s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001318s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001106s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003441s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000865s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003731s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021684s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001132s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 61525 [ RunTime:0.026062s ]
