Gesamtenergiethe literal text Gesamtenergie (case sensitive) .*any character (except for line terminators), repeated any number of times
\na line-feed (newline) character (ASCII 10)
.*any character (except for line terminators), repeated any number of times
\n*a line-feed (newline) character (ASCII 10), repeated any number of times
\s*any whitespace character, repeated any number of times
\sany whitespace character
\d*a digit, repeated any number of times
g modifier: global. Finds all matches instead of stopping after the first