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MAC address validation
According to the IEEE 802 specification, a MAC address has 6 groups of 2 hexadecimal digits separated by "-" or ":". For example, 0a-1b-3c-4d-5e-6f is a valid MAC address. How to write a single regular expression to validate a MAC address described above? Here is the regular expression for MAC addre... 2017-05-15, 15698👍, 5💬

💬 2017-05-15 aditya: thank you very much. Its 100% working.

💬 2016-06-23 FYIcenter.com: Hi Taylan, The test page is back working now. Try it.

💬 2016-06-22 Taylan: The test page is not working...

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Parsing Windows TREE Command Output
Regex for parse output of Windows TREE command. For example: Folder PATH listing Volume serial number is 8704-028C C: +---BIOS | \---E0CN23WW | E0CN23WW.exe | +---driveri | 0rww03af.exe | 2tl502af.exe | 2tl602af.exe | 365.10-notebook-win10-64bit-in ternational-whql(1).exe | bob501af.exe | e0cn23ww_i... 2016-06-23, 838👍, 0💬

Email address @ sign validation
According to the Internet specification RFC 2822, an email address must have a single "@" sign. For example, john@host.net is a valid email address. There should be at least one character before the "@" sign, but the total number of characters before the "@" sign should not be more than 64. There sh... 2016-06-23, 2514👍, 0💬

Capturing Plukkie Crawler entries from Apache Web log file
How to capture the Plukkie Crawler entries from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; Plukkie/1.5; http://www.botje.com/plukkie.h tm)""-" 213.135.131.79 - - [13/May/2012:17:... 2016-06-21, 2603👍, 0💬

Capturing Soso Spider entries from Apache Web log file
How to capture the Soso Spider entries from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Sosospider+(+http://help.soso .com/webspider.htm)""-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.... 2013-02-04, 6388👍, 0💬

Capturing Jike Spider entries from Apache Web log file
How to capture the Jike Spider entries from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; JikeSpider; +http://shoulu.jike.com/spider .html)""-" 213.135.131.79 - - [13/May/2012:17:35... 2013-02-04, 3400👍, 0💬

Capturing Proximic Spider entries from Apache Web log file
How to capture the Proximic Spider entries from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; proximic; +http://www.proximic.com/info/ spider.php)""-" 213.135.131.79 - - [13/May/201... 2013-02-04, 3506👍, 0💬

Capturing Sogou web spider entries from Apache Web log file
How to capture the Sogou web spider entries from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Sogou web spider/4.0(+http://www.sogou.c om/docs/help/webmasters.htm#07 )""-" 213.135.131.79 - - [13/May/2012:17... 2013-02-04, 11665👍, 0💬

Capturing Baidu spider entries from Apache Web log file
How to capture the Baidu spider entries from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/s pider.html)""-" 213.135.131.79 - - [13/May... 2013-02-04, 6457👍, 0💬

Capturing Ezooms bot entries from Apache Web log file
How to capture the Ezooms bot entries from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; Plukkie/1.5; http://www.botje.com/plukkie.h tm)""-" 213.135.131.79 - - [13/May/2012:17:35:32... 2013-02-04, 4026👍, 0💬

Capturing MSN bot entries from Apache Web log file
How to capture the MSN (Microsoft Network) bot entries from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ ysearch/slurp)""-" 213.135.131... 2013-02-04, 8618👍, 0💬

Capturing Bing bot entries from Apache Web log file
How to capture the Bing bot entries from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ ysearch/slurp)""-" 213.135.131.79 - - [13/May/201... 2013-02-04, 3192👍, 0💬

Capturing Google Bot entries from Apache Web log file
How to capture the Google Bot from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ ysearch/slurp)""-" 213.135.131.79 - - [13/May/2012:17:3... 2013-02-04, 3526👍, 0💬

Capturing Yandex Bot entries from Apache Web log file
How to capture the Yandex Bot from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ ysearch/slurp)""-" 213.135.131.79 - - [13/May/2012:17:3... 2013-02-04, 4330👍, 0💬

Capturing Yahoo! Slurp entries from Apache Web log file
How to capture the Yahoo! Slurp from Web log file? Here are some Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ ysearch/slurp)""-" 213.135.131.79 - - [13/May/2012:17... 2013-02-04, 2539👍, 0💬

Capturing request method from Apache Web log file
How to capture the request method from Apache Web log file? Here are some Apache Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "-" "-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.jsp HTTP/1.0" 200 2326 "-" "-" "SID=10... 2013-02-04, 2359👍, 0💬

Parsing timestamp from Apache Web log file
How to parse timestamp elements from from Apache Web log file? Here are some Apache Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "-" "-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.jsp HTTP/1.0" 200 2326 "-" "-" "SID... 2013-02-04, 2539👍, 0💬

Capturing request path from Apache Web log file
How to capture the request path from Apache Web log file? Here are some Apache Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "-" "-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.jsp HTTP/1.0" 200 2326 "-" "-" "SID=1000... 2013-02-04, 2336👍, 0💬

Capturing request protocol from Apache Web log file
How to capture the request protocol from Apache Web log file? Here are some Apache Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "-" "-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.jsp HTTP/1.0" 200 2326 "-" "-" "SID=... 2013-02-04, 2455👍, 0💬

Capturing response status code from Apache Web log file
How to capture the response status code from Apache Web log file? Here are some Apache Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "-" "-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.jsp HTTP/1.0" 200 2326 "-" "-" "... 2013-02-04, 2354👍, 0💬

Capturing response message size from Apache Web log file
How to capture the response message size from Apache Web log file? Here are some Apache Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "-" "-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.jsp HTTP/1.0" 200 1024 "-" "-" ... 2013-02-04, 2275👍, 0💬

Capturing referer URL from Apache Web log file
How to capture the referer URL from Apache Web log file? Here are some Apache Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "-" "-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.jsp HTTP/1.0" 200 1024 "-" "-" "SID=1000;... 2013-02-04, 2146👍, 0💬

Capturing user agent from Apache Web log file
How to capture the user agent from Apache Web log file? Here are some Apache Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "-" "-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.jsp HTTP/1.0" 200 1024 "-" "-" "SID=1000;L... 2013-02-04, 2161👍, 0💬

Capturing cookie string from Apache Web log file
How to capture the cookie string from Apache Web log file? Here are some Apache Web log file entries:127.0.0.1 - frank [10/May/2012:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "-" "-" 213.135.131.79 - - [13/May/2012:17:35:32 -0600] "POST /submit.jsp HTTP/1.0" 200 1024 "-" "-" "SID=100... 2013-02-04, 2139👍, 0💬

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