https://community.splunk.com/t5/Splunk-Search/How-to-create-Rex-to-extract-a-value-from-string/m-p/654552#M226141 <P>Hello,</P> <P>I am new to splunk rex, so need help for regex. In logs, i have extracted&nbsp;&nbsp;string, however again i need to extract a value from string.</P> <P><STRONG>Example string</STRONG> :&nbsp;&nbsp;<SPAN>"Error exception for fetching data =1234567890_1"</SPAN></P> <P><SPAN><STRONG>Question</STRONG>: </SPAN><SPAN>From&nbsp; above string, how can i use rex to get value :1234567890</SPAN></P> <P><SPAN>Request you to please help.</SPAN></P> <P><SPAN>Thanks.</SPAN></P> Wed, 16 Aug 2023 23:18:13 GMT Coder1a 2023-08-16T23:18:13Z https://community.splunk.com/t5/Splunk-Search/How-to-create-Rex-to-extract-a-value-from-string/m-p/654552#M226141 <P>Hello,</P> <P>I am new to splunk rex, so need help for regex. In logs, i have extracted&nbsp;&nbsp;string, however again i need to extract a value from string.</P> <P><STRONG>Example string</STRONG> :&nbsp;&nbsp;<SPAN>"Error exception for fetching data =1234567890_1"</SPAN></P> <P><SPAN><STRONG>Question</STRONG>: </SPAN><SPAN>From&nbsp; above string, how can i use rex to get value :1234567890</SPAN></P> <P><SPAN>Request you to please help.</SPAN></P> <P><SPAN>Thanks.</SPAN></P> Wed, 16 Aug 2023 23:18:13 GMT https://community.splunk.com/t5/Splunk-Search/How-to-create-Rex-to-extract-a-value-from-string/m-p/654552#M226141 Coder1a 2023-08-16T23:18:13Z https://community.splunk.com/t5/Splunk-Search/How-to-create-Rex-to-extract-a-value-from-string/m-p/655269#M226363 <P>See answer in&nbsp;<A href="https://community.splunk.com/t5/Splunk-Search/Rex-for-extracting-a-value-from-string/m-p/654561#M226143" target="_self">Rex for extracting a value from string</A>. (Alternatively, delete this duplicate question.)</P> Wed, 23 Aug 2023 07:17:15 GMT https://community.splunk.com/t5/Splunk-Search/How-to-create-Rex-to-extract-a-value-from-string/m-p/655269#M226363 yuanliu 2023-08-23T07:17:15Z