How can I do regex to get a106529 in this sample - string part of cookie? cookie name = ALN.ps.cache.key, then how should I do in regex rule to get "a106529" when I set up split measure for business transaction?
Answer by Rob V. ·
No, the "?" isn't specific to dT. It's a "non-greedy" read in regex language. The backslash "\" is the escape character. The regex gets read this way:
Here's a screen shot of the "transformation regex" testing tool in dynaTrace showing the result: