I want find something similar to
Control Number
Blah BLah BLah Blah BLah BLah Blah BLah BLahBlah BLah BLah Blah BLah BLahBlah BLah BLah vBlah BLah BLahvBlah BLah BLahBlah BLah BLahBlah BLah BLahBlah BLah BLah
ASDF123456dsa9
I have tried formulas like:
(control number)[\S\s]+[a-zA-Z0-9]{14}\s
but it picks up everything but I only want it to find "control number ASDF123456dsa9" that is only 14 characters in length, especially if their is multiple instances.