regex101: PCRE (Legacy) Match Workspace

1st Alternative(.*)\s*$(.*?)$

Group 1(.*)

.*any character (except for line terminators), repeated any number of times

\s*any whitespace character, repeated any number of times

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 2(.*?)

.*?any character (except for line terminators), repeated any number of times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative(.*)

Group 3(.*)

.*any character (except for line terminators), repeated any number of times

Global pattern flags

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

Search reference

Regular Expression

(.*)\s*\((.*?)\)|(.*)

New

Aerospace Technologies of Australia Pty Ltd (Australia)
American Tactical Aircraft Consultants (United States)
ATEC vos (Czech Republic)
Aviation Technology Group Inc (United States)
Atlas Aircraft Corporation of South Africa (Pty) Ltd (South Africa)
GIE Avions de Transport Régional (France/Italy)
Auster Aircraft Ltd (United Kingdom)
Austflight ULA Pty Ltd (Australia)
Australian Aerospace Pty Ltd (Australia)
Australite Inc (United States)
AutoGyro Europe GmbH (Germany)
OOO Samoletstroitelynyi Kompaniya Avantazh (Russia)
AvCraft Aviation LLC (United States)
Aveko sro (Czech Republic)
Azionari Vercellese Industrie Aeronautiche (Italy)
Avia-Zavody Jirího Dimitrova (Czech Republic)
see AERFER and AERMACCHI

Regular Expressions 101

Regular Expression

Substitution