Multi-line regex search in whole file

Question

I\'ve found loads of examples on to to replace text in files using regex. However it all boils down to two versions:
1. Iterate over all lines in the file and apply regex to

Answer 1

Perhaps you could load in 2 lines at a time (or more, depending on how many lines you think your matches are going to span), and overlap them, e.g: load lines 1-2, then the next loop load lines 2-3, the next load 3-4; and do your multiline regexes over both lines combined, in each loop.