fork download 
  1. have <- "Hello, thank you for contacting our Pizza Store, <variable location>. \n\r Please find below our available menu:\nMenu 1 USD 1.99\nMenu 2 USD 3.99\n\n\n Sincerely,\nThe Awesome Pizza Team\n<variable staff name>\nDelivering Pizza 24/7"
  2. trimws(gsub('^(?:(?!Menu ).*(?:\\R(?!Menu ).*)*\\R+)?(Menu .*(?:\\RMenu .*)*)\\R\\s*Sincerely,[\\s\\S]*','\\1', have, perl = TRUE))
Success #stdin #stdout 0.24s 38996KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "Menu 1 USD 1.99\nMenu 2 USD 3.99"
https://ideone.com/QYDFRw
language:
R (R 3.5.2)
created:
4 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!