/
   lease   # literal
   \s+     # one or more white space chars
   \Q      # escape the lease so that the .'s aren't special
   $l      # the lease to find
   \E      # end the escape
   \s+     # more white space
   \{      # literal
   .*?     # slurp until } (non-greedy)
   \}      # literal
/sx