Use
"([a-zA-Z]+)s+([a-zA-Z]*)":
See proof
Explanation
--------------------------------------------------------------------------------
" '"'
--------------------------------------------------------------------------------
( group and capture to 1:
--------------------------------------------------------------------------------
[a-zA-Z]+ any character of: 'a' to 'z', 'A' to 'Z'
(1 or more times (matching the most
amount possible))
--------------------------------------------------------------------------------
) end of 1
--------------------------------------------------------------------------------
s+ whitespace (
,
, , f, and " ") (1 or
more times (matching the most amount
possible))
--------------------------------------------------------------------------------
( group and capture to 2:
--------------------------------------------------------------------------------
[a-zA-Z]* any character of: 'a' to 'z', 'A' to 'Z'
(0 or more times (matching the most
amount possible))
--------------------------------------------------------------------------------
) end of 2
--------------------------------------------------------------------------------
": '":'
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