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Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:
Remove ( color / special / escape / ANSI ) codes, from text, with sed
Credit to the original folks who I've copied this command from.
The diff here is:
Theirs is supposed to remove \E[NUMBERS;NUMBERS[m OR K]
This statement is incorrect in 2 ways.
1. The letters m and K are two of more than 20+ possible letters that can end these sequences.
2. Inside 's , OR is already assumed, so they are also looking for sequences ending with | which is not correct.
This : [a-zA-Z]
This resolves the "OR" issue noted above, and takes care of all sequences, as they all end with a lower or upper cased letter.
This ensures 100% of any escape code 'mess' is removed.