Non-Capturing Group(?:de(?:sde)?|(?:hast)?a) 1st Alternativede(?:sde)? dethe literal text de (case insensitive) Non-Capturing Group(?:sde)? ?repeats the group contents below at most once:
sdethe literal text sde (case insensitive) 2nd Alternative(?:hast)?a Non-Capturing Group(?:hast)? ?repeats the group contents below at most once:
hastthe literal text hast (case insensitive) athe literal a (9710 / 1418 / 6116) (case insensitive)
\s*a Unicode whitespace character, repeated any number of times
lathe literal text la (case insensitive) s?optionally matches the literal s (11510 / 1638 / 7316) (case insensitive)
\s*a Unicode whitespace character, repeated any number of times
\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times