https://devzone.nordicsemi.com/f/nordic-q-a/34084/how-to-get-a-part-of-a-stringHello, I have a string data and I want to get a part of it which start for example with &quot;hello&quot; and I want to get 20 characters after &quot;hello&quot;. (for more details I&#39;m using nrf51DK and a gps module,I recieve all data from gps but I want to get the dataen-USTelligent Community 13Mon, 07 May 2018 15:01:22 GMThttps://devzone.nordicsemi.com/thread/131245?ContentTypeID=1Mon, 07 May 2018 15:01:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:24755bb4-886c-4c6c-af00-51b0600b28ccVidar Berg<p>Hello,&nbsp;</p> <p>Not sure what the typical packet format is, but you will probably need to implement a parser that can decode packet sent from the GPS module. One approach could be to use&nbsp;<a href="https://www.techonthenet.com/c_language/standard_library_functions/string_h/strcmp.php">strcmp</a>() to check if the string contains the &quot;$GPGLL&quot; keyword, then extract&nbsp;following 20 bytes from the input buffer.&nbsp;</p><div style="clear:both;"></div>