regex101: PCRE (Legacy) Match Workspace

Pro

^start of line

Group 1(\S+)

\S+any non-whitespace character, repeated at least once

\h+any horizontal whitespace character, repeated at least once

Group 2(\S+)

\S+any non-whitespace character, repeated at least once

\h+any horizontal whitespace character, repeated at least once

Group 3(\S+(?:\h\S+|\h+$[^)]+$)*)

\S+any non-whitespace character, repeated at least once

Non-Capturing Group(?:\h\S+|\h+$[^)]+$)*

*repeats the group contents below any number of times:

1st Alternative\h\S+

\hany horizontal whitespace character

\S+any non-whitespace character, repeated at least once

2nd Alternative\h+$[^)]+$

\h+any horizontal whitespace character, repeated at least once

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^)]+

+matches at least one character outside the set below:

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Non-Capturing Group(?:\h+(\S+))?

?repeats the group contents below at most once:

\h+any horizontal whitespace character, repeated at least once

Group 4(\S+)

\S+any non-whitespace character, repeated at least once

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

25 tokens

Regular Expression

^(\S+)\h+(\S+)\h+(\S+(?:\h\S+|\h+\([^)]+\))*)(?:\h+(\S+))?

New

SIG.SND.SERV                   ZOS        FD MCA LPAR  (MCA - NDMSRV LOCAL)
ADC1                           ZOS        AMEX                           SSL
ADEPTRA.GB1.PROD               LINUX      FICO (ADEPTRA) LTD            TLS
ADEPTRA.GB2.CQA                LINUX      FICO (ADEPTRA) LTD            TLS
AIX.EG3C                       UNIX       BARCLAYS                       S+
AIX.EG3P                       UNIX       BARCLAYS                       S+
AIX.RMWDEV1                    UNIX       FDCS 
AIX.RMWPROD1                   UNIX       FDCS 
AIX-EFXWRWCK01                 UNIX       EQUIFAX EUROPE
ANB-DRC-CDFDI                  NT         ARAB NATIONAL BANK (ANB)      SSL
APPDGVIRTUAL23F                NT         LTSB MAIL AND DISTRIBUTION
APPLCOND                       MVS        CIM ITALIA  (FOR BNL)
APPLGVIRTUAL0FA                NT         LTSB MAIL AND DISTRIBUTION     TLS
APPLGVIRTUAL191                NT         LTSB MAIL AND DISTRIBUTION     TLS

Substitution

SIG.SND.SERV                   ZOS        FD MCA LPAR  (MCA - NDMSRV LOCAL)
ADC1                           ZOS        AMEX                           SSL
ADEPTRA.GB1.PROD               LINUX      FICO (ADEPTRA) LTD            TLS
ADEPTRA.GB2.CQA                LINUX      FICO (ADEPTRA) LTD            TLS
AIX.EG3C                       UNIX       BARCLAYS                       S+
AIX.EG3P                       UNIX       BARCLAYS                       S+
AIX.RMWDEV1                    UNIX       FDCS 
AIX.RMWPROD1                   UNIX       FDCS 
AIX-EFXWRWCK01                 UNIX       EQUIFAX EUROPE
ANB-DRC-CDFDI                  NT         ARAB NATIONAL BANK (ANB)      SSL
APPDGVIRTUAL23F                NT         LTSB MAIL AND DISTRIBUTION
APPLCOND                       MVS        CIM ITALIA  (FOR BNL)
APPLGVIRTUAL0FA                NT         LTSB MAIL AND DISTRIBUTION     TLS
APPLGVIRTUAL191                NT         LTSB MAIL AND DISTRIBUTION     TLS