https://community.splunk.com/t5/Splunk-Search/where-i-can-learn-regular-expressions-to-use-them-and-to-create/m-p/65745#M16317 <P>There are some pretty good resources online.</P> <UL> <LI><A href="http://www.regular-expressions.info">http://www.regular-expressions.info</A> has a good tutorial and serves as a good reference.</LI> <LI>RegExr - <A href="http://www.gskinner.com/RegExr">http://www.gskinner.com/RegExr</A> - is an excellent tool for building regular expressions that even shows you what each part of the regular expression does.</LI> <LI>I also like <A href="http://regexpal.com">http://regexpal.com</A> which can be used for the same thing, it's a bit more basic.</LI> </UL> <P>Also you might want to grab a book. "Mastering Regular Expressions" is nice for instance: <A href="http://www.amazon.com/Mastering-Regular-Expressions-Jeffrey-Friedl/dp/0596528124/">http://www.amazon.com/Mastering-Regular-Expressions-Jeffrey-Friedl/dp/0596528124/</A></P> Tue, 19 Mar 2013 09:32:53 GMT Ayn 2013-03-19T09:32:53Z https://community.splunk.com/t5/Splunk-Search/where-i-can-learn-regular-expressions-to-use-them-and-to-create/m-p/65743#M16315 <P>I really need of some knowledge about regular expression ,, as how to create own regex or rex ... so suggest me some tips to learn from the scratch for regular expression </P> Tue, 19 Mar 2013 09:23:52 GMT https://community.splunk.com/t5/Splunk-Search/where-i-can-learn-regular-expressions-to-use-them-and-to-create/m-p/65743#M16315 dilstn 2013-03-19T09:23:52Z https://community.splunk.com/t5/Splunk-Search/where-i-can-learn-regular-expressions-to-use-them-and-to-create/m-p/65744#M16316 <P>The <A href="http://splunk-base.splunk.com/apps/22291/field-extractor">Field Extractor app</A> on Splunkbase contains a regular expression reference which you can check if you hit the edit link on any of the extractions, which will give you examples and you could start by modifying them.</P> <P>For more of a step by step tutorial, Zed Shaw's <A href="http://regex.learncodethehardway.org/book/">Learn Regex the Hard way</A> is a great course to follow.</P> <P>A reasonable reference exists in the <A href="http://www.regular-expressions.info/">Regular Expressions Info</A> site, which has a quick start, tutorial and pages covering 'advanced' topics such as lookbehind.</P> Tue, 19 Mar 2013 09:30:35 GMT https://community.splunk.com/t5/Splunk-Search/where-i-can-learn-regular-expressions-to-use-them-and-to-create/m-p/65744#M16316 dart 2013-03-19T09:30:35Z https://community.splunk.com/t5/Splunk-Search/where-i-can-learn-regular-expressions-to-use-them-and-to-create/m-p/65745#M16317 <P>There are some pretty good resources online.</P> <UL> <LI><A href="http://www.regular-expressions.info">http://www.regular-expressions.info</A> has a good tutorial and serves as a good reference.</LI> <LI>RegExr - <A href="http://www.gskinner.com/RegExr">http://www.gskinner.com/RegExr</A> - is an excellent tool for building regular expressions that even shows you what each part of the regular expression does.</LI> <LI>I also like <A href="http://regexpal.com">http://regexpal.com</A> which can be used for the same thing, it's a bit more basic.</LI> </UL> <P>Also you might want to grab a book. "Mastering Regular Expressions" is nice for instance: <A href="http://www.amazon.com/Mastering-Regular-Expressions-Jeffrey-Friedl/dp/0596528124/">http://www.amazon.com/Mastering-Regular-Expressions-Jeffrey-Friedl/dp/0596528124/</A></P> Tue, 19 Mar 2013 09:32:53 GMT https://community.splunk.com/t5/Splunk-Search/where-i-can-learn-regular-expressions-to-use-them-and-to-create/m-p/65745#M16317 Ayn 2013-03-19T09:32:53Z https://community.splunk.com/t5/Splunk-Search/where-i-can-learn-regular-expressions-to-use-them-and-to-create/m-p/65746#M16318 <P>RegExr is an awesome tool! I like it!</P> Tue, 19 Mar 2013 09:55:33 GMT https://community.splunk.com/t5/Splunk-Search/where-i-can-learn-regular-expressions-to-use-them-and-to-create/m-p/65746#M16318 Rocket66 2013-03-19T09:55:33Z