Regular expression to find first match of string between characters

Question

Here\'s the text I have:

Dffffd, Cccccccc - abcdefgh|abcdefgh|m$P,o29L|SomeOtherText
|abcdefgh||mmmin||
Aaaa, Bbbbbbbb - y123xxyz|y123xxyz|m$P,o29L|SomeOtherTex