2013-06-23 04:33:51 W3SVC1539885 198.56.185.162 GET /robots.txt - 80 - 66.249.75.65 Mozilla/5.0+(compatible;+Googlebot/2.1;++http://www.google.com/bot.html) 404 0 2
我想分别匹配日期2013-06-23/时间04:33:51/服务器ip198.56.185.162/文件地址robots.txt/蜘蛛ip66.249.75.65/蜘蛛信息Mozilla/5.0+(compatible;+Googlebot/2.1;++http://www.google.com/bot.html)/状态码404 0 2/，这个如何精确匹配?
回复讨论(解决方案)
最好举一个特定的例子，然后给出你期望的结果，你的问题表示看不懂
最好举一个特定的例子，然后给出你期望的结果，你的问题表示看不懂
代码就是特定的例子，我想取的值标注在下面，就是想写一句话正则匹配，用pregmatch这种生成一个数组然后我再干点其他的事。
我想这个日期的格式应该是固定的，你可以按空格将它们分割，例如
$log = '2013-06-23 04:33:51 W3SVC1539885 198.56.185.162 GET /robots.txt - 80 - 66.249.75.65 Mozilla/5.0+(compatible;+Googlebot/2.1;++http://www.google.com/bot.html) 404 0 2';var_dump( explode(' ', $log) ); /**array(14) { [0]=> string(10) "2013-06-23" [1]=> string(8) "04:33:51" [2]=> string(12) "W3SVC1539885" [3]=> string(14) "198.56.185.162" [4]=> string(3) "GET" [5]=> string(11) "/robots.txt" [6]=> string(1) "-" [7]=> string(2) "80" [8]=> string(1) "-" [9]=> string(12) "66.249.75.65" [10]=> string(72) "Mozilla/5.0+(compatible;+Googlebot/2.1;++http://www.google.com/bot.html)" [11]=> string(3) "404" [12]=> string(1) "0" [13]=> string(1) "2"}*/ 我想这个日期的格式应该是固定的，你可以按空格将它们分割，例如
$log = '2013-06-23 04:33:51 W3SVC1539885 198.56.185.162 GET /robots.txt - 80 - 66.249.75.65 Mozilla/5.0+(compatible;+Googlebot/2.1;++http://www.google.com/bot.html) 404 0 2';var_dump( explode(' ', $log) ); /**array(14) { [0]=> string(10) "2013-06-23" [1]=> string(8) "04:33:51" [2]=> string(12) "W3SVC1539885" [3]=> string(14) "198.56.185.162" [4]=> string(3) "GET" [5]=> string(11) "/robots.txt" [6]=> string(1) "-" [7]=> string(2) "80" [8]=> string(1) "-" [9]=> string(12) "66.249.75.65" [10]=> string(72) "Mozilla/5.0+(compatible;+Googlebot/2.1;++http://www.google.com/bot.html)" [11]=> string(3) "404" [12]=> string(1) "0" [13]=> string(1) "2"}*/ 我想这个日期的格式应该是固定的，你可以按空格将它们分割，例如
$log = '2013-06-23 04:33:51 W3SVC1539885 198.56.185.162 GET /robots.txt - 80 - 66.249.75.65 Mozilla/5.0+(compatible;+Googlebot/2.1;++http://www.google.com/bot.html) 404 0 2';var_dump( explode(' ', $log) ); /**array(14) { [0]=> string(10) "2013-06-23" [1]=> string(8) "04:33:51" [2]=> string(12) "W3SVC1539885" [3]=> string(14) "198.56.185.162" [4]=> string(3) "GET" [5]=> string(11) "/robots.txt" [6]=> string(1) "-" [7]=> string(2) "80" [8]=> string(1) "-" [9]=> string(12) "66.249.75.65" [10]=> string(72) "Mozilla/5.0+(compatible;+Googlebot/2.1;++http://www.google.com/bot.html)" [11]=> string(3) "404" [12]=> string(1) "0" [13]=> string(1) "2"}*/ 但是服务器日志不是每行都是这样的，有很多#开头的，所以才想做个正则过滤掉其他格式的。
这个分不能浪费了
日志文件一般都很大
你需要在循环中逐行读取，拆分成数组
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