Need Help in extracting the field

[AL3Z]

Hi all,

help me extracting the field from the below two events
System.Exception: Assertion violated: stream.ReadByteInto(bufferStream) == 0x03
System.Exception: An error was encountered while attempt to fetch proxy credentials for user 'xyz

system_exception=Assertion violated: stream.ReadByteInto

                                     An error was encountered while attempt to fetch proxy credentials for user

thanks

[scelikok]

Hi @AL3Z ,

Please try below;

| rex field=_raw "System\.Exception:\s+(?<system_exception>[^\(\']+)"

[AL3Z]

Hi @scelikok ,

Can you pls explain this part I didnt understand  [^\(\']+)

[isoutamo]

Hi
I match all other characters except ( and ' and there must be at least one or more those with any order and combination.
You can test these e.g. regex101.com.
There is also descriptions what all those anchors etc. are/meaning.
r. Ismo