https://community.dynatrace.com/t5/Open-Q-A/Help-with-the-RegEx-for-tagging-rule/m-p/170043#M17925 <P>Great it worked <STRONG>Ryan</STRONG>. Thanks for helping me out.</P> Sat, 31 Jul 2021 15:16:08 GMT AK 2021-07-31T15:16:08Z https://community.dynatrace.com/t5/Open-Q-A/Help-with-the-RegEx-for-tagging-rule/m-p/170033#M17923 <P>Hi Folks,</P> <P>&nbsp;</P> <P>I would need some help in defining a tagging rule that can match the set of hosts and assign tag to them.</P> <P>&nbsp;</P> <P>The hostnames could be like below,</P> <P><STRONG>host1, host2, host3, server1, server2, machine1, machine2</STRONG></P> <P>&nbsp;</P> <P>and the expression I tried was</P> <P><STRONG>host|server|machine</STRONG>&nbsp;bot it matches only host1 host2 and host3.</P> <P>&nbsp;</P> <P>Please help me to build RegEx that can match all listed hosts</P> <P>&nbsp;</P> <P>Regards,</P> <P>AK</P> Tue, 03 Aug 2021 07:56:26 GMT https://community.dynatrace.com/t5/Open-Q-A/Help-with-the-RegEx-for-tagging-rule/m-p/170033#M17923 AK 2021-08-03T07:56:26Z https://community.dynatrace.com/t5/Open-Q-A/Help-with-the-RegEx-for-tagging-rule/m-p/170038#M17924 <P>Hello,</P><P>Try placing the regex in parentheses like this: "(?&gt;host|server|machine)"<BR />Also, make sure you are selecting Host Name contains regex.</P><P>Please see the screenshots below for how I was able to mimic this functionality. Hope this helps!</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ryan_ott_0-1627682099157.png" style="width: 400px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/1750i02A3602C4766B3C6/image-size/medium/is-moderation-mode/true?v=v2&amp;px=400" role="button" title="ryan_ott_0-1627682099157.png" alt="ryan_ott_0-1627682099157.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ryan_ott_1-1627682107386.png" style="width: 400px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/1751iB3631F92854C865C/image-size/medium/is-moderation-mode/true?v=v2&amp;px=400" role="button" title="ryan_ott_1-1627682107386.png" alt="ryan_ott_1-1627682107386.png" /></span></P><P>-Ryan</P> Fri, 30 Jul 2021 21:55:17 GMT https://community.dynatrace.com/t5/Open-Q-A/Help-with-the-RegEx-for-tagging-rule/m-p/170038#M17924 ryan_ott 2021-07-30T21:55:17Z https://community.dynatrace.com/t5/Open-Q-A/Help-with-the-RegEx-for-tagging-rule/m-p/170043#M17925 <P>Great it worked <STRONG>Ryan</STRONG>. Thanks for helping me out.</P> Sat, 31 Jul 2021 15:16:08 GMT https://community.dynatrace.com/t5/Open-Q-A/Help-with-the-RegEx-for-tagging-rule/m-p/170043#M17925 AK 2021-07-31T15:16:08Z