How to find values between two string

[baljkastr]

I have this event:

(pool-4-thread-1 18a68b34-f4af-4940-9339-6201b5004bb8) (********): do_SMSGW (Request) : &from=TULBUR&to=********&text=*******:+Tanii+********+gereenii+tulburiin+uldegdel+59706.42T+tulbur+tulugduugui+tul+buh+heregleeg+2022-08-28-nd+haahiig+anhaarna+uu.

(pool-4-thread-2 3adfc9d2-86e3-4e6e-8767-08f94370075a) (********): do_SMSGW (Request) : &from=TULBUR&to=********&text=*******:+Tanii+********+gereenii+tulburiin+uldegdel+9900T+tulbur+tulugduugui+tul+buh+heregleeg+2022-08-28-nd+haahiig+anhaarna+uu.

And I need to get value between +uldegdel+"needed value"+tulbur+

please help, im new to splunk 

[yuanliu · Accepted solution]

Something like

| rex "\+uldegdel\+(?<needed_value>[^+]+)\+tulbur\+"