Hi, I'm trying to make a program that can read .mp3 data (Such as Artist, Album, Year, Track number, etc), but I need to be able to do two things that I have no clue how to do:

1. Read starting from a specified string (E.G, On one line it states:
Code:
1 3 9 1 9 2 6 ; A M G p _ i d = P         4 4 7 2 6 ; A M G t _ i d = T   1 4 3 3 1 4 5 7   TPE2      WeezerPRIV   "  WM/WMCollectionID Ÿ4#ì5Kc [tPRIV   '  WM/WMCollectionGroupID Ÿ4#ì5Kc [tPRIV     WM/Provider A M G   TIT2      Pork And BeansTRCK   	   89375734TCON      Alternative/PunkTCOM      Rivers CuomoTPE1      Weezer
I need to read (for track number) Starting from:
Code:
TRCK
)

2. Read until a specified string (E.G, On the previously stated line,
I need to read starting from what I said, up until
Code:
TCON
Thanks,
-Arightwizard