^start of string
Group startwort(?<startwort>AB[\w\d]+) ABthe literal text AB (case sensitive) +matches at least one character from the set below:
\wany word character
\da digit
\s+any whitespace character, repeated at least once
Group startplus(?<startplus>(AB[\w\d]+\s+)+) +repeats the group contents below at least once:
ABthe literal text AB (case sensitive) +matches at least one character from the set below:
\wany word character
\da digit
\s+any whitespace character, repeated at least once
Group vorwort(?<vorwort>.*) .*any character (except for line terminators), repeated any number of times
\s+any whitespace character, repeated at least once
\d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
\w+any word character, repeated at least once
\s+any whitespace character, repeated at least once
Group betrag(?<betrag>[\d.,]+) +matches at least one character from the set below:
\da digit
.the literal . (4610 / 568 / 2E16)
,the literal , (4410 / 548 / 2C16)
\s*any whitespace character, repeated any number of times
$end of string, or before its final line terminator