^start of line
verthe literal text ver (case insensitive) äthe literal ä (22810 / 3448 / E416) (case insensitive)
athe literal a (9710 / 1418 / 6116) (case insensitive)
ntwortlichthe literal text ntwortlich (case insensitive) ?repeats the group contents below at most once:
erthe literal text er (case insensitive) \.?optionally matches the literal . (4610 / 568 / 2E16)
\s+a Unicode whitespace character, repeated at least once
gthe literal g (10310 / 1478 / 6716) (case insensitive)
Group 3(em((ä|a)(ß|s{1,2})?)?)? ?repeats the group contents below at most once:
emthe literal text em (case insensitive) Group 4((ä|a)(ß|s{1,2})?)? ?repeats the group contents below at most once:
äthe literal ä (22810 / 3448 / E416) (case insensitive)
athe literal a (9710 / 1418 / 6116) (case insensitive)
?repeats the group contents below at most once:
ßthe literal ß (22310 / 3378 / DF16) (case insensitive)
s{1,2}the literal s (11510 / 1638 / 7316) (case insensitive), repeated between 1 and 2 times
\.?optionally matches the literal . (4610 / 568 / 2E16)
\s+a Unicode whitespace character, repeated at least once
athe literal a (9710 / 1418 / 6116) (case insensitive)
?repeats the group contents below at most once:
rtthe literal text rt (case insensitive) ?repeats the group contents below at most once:
ikelthe literal text ikel (case insensitive) \.?optionally matches the literal . (4610 / 568 / 2E16)
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters
u modifier: unicode. Treats the pattern and subject as UTF-16