alpha            = { ASCII_ALPHA }
digit            = { ASCII_DIGIT }
alpha_num        = { ASCII_ALPHANUMERIC }
any              = { ASCII }
nl               = { NEWLINE }
space            = { " " }
indent           = { space{2} }
year             = { digit{2, 4} ~ "/" }
month            = { digit{1, 2} ~ "/" }
day              = { digit{1, 2} }
date             = { year ~ month ~ day }
word             = { alpha+ }
title            = { word+ }
transaction_head = { date ~ space+ ~ title }
currency         = { "EUR" }
money            = { "-"? ~ eur ~ "." ~ cents ~ " " ~ currency }
eur              = { digit+ }
cents            = { digit{2} }
account          = { word ~ ":" }
term_account     = { word }
transaction_line = { indent ~ account* ~ term_account ~ indent+ ~ money }
transaction      = { transaction_head ~ nl ~ (transaction_line ~ nl)+ }
comment          = { ";" ~ any }