parsing - RAILS: How to strip contents of an email(signature, etc) from an E-mail body? -


i'm wondering how i'd strip contents of email , perhaps gmail-like threading when have email body html returned in ruby on rails.

for example, following text sent app: 

hey xyz,   i've fixed error , tested couple of times, seems working fine now.  on fri, feb 18, 2011 @ 7:44 am, joe david <joe@david.com> wrote: initial thread starts here...   --  joe@david.com

email format tricky thing. use find boundaries between emails using regex detects strings on fri, feb 18, 2011 @ 7:44 am, joe david <joe@david.com> wrote:. can't guarantee incoming messages have string between emails.

another option check > character, may appear @ beginning of each quoted line. however, once again, have worry happens if receive message doesn't follow convention.

yet option--and think gmail this--is matches between incoming message , previous messages. i.e. if see initial thread starts here...thanks, joe@david.com in message, , have in previous message in database, infer it's quote earlier in thread.


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