use strict;
my $str = 'INSERT((5,elon,musk,0123456789,10000.00,analyst,abc10.gmail.com,200),employee)
INSERT((500,engineering,fortworth,1,50),department)
INSERT((50,1,tesla,1/1/20,6/1/20,0.8),project)
INSERT((20,bill,gates,0123456789,10000.00,programmer,abc10.microsoft.com,300),employee)
UPDATE((400,research,dallas-fortworth,1,50),department)
UPDATE((40,1,updatedDb,1/1/20,6/1/21,0.4),project)
UPDATE((999,bill,gates,0123456789,10000.00,programmer,abc10.microsoft.com,300),employee)
SELECT((500,engineering,abc,1,50),department)
SELECT((*,*,musk,*,*,*,*,*),employee)
SELECT((40,1,updatedDb,1/1/20,6/1/21,0.4),project)
SELECT((*,*,test,*,*,*,*,*),employee)
DELETE((30,3,empdb3,10/15/20,11/01/20,0.6),project)
DELETE((1000,*,*,*,*),department)
DELETE((999,bill,gates,0123456789,10000.00,programmer,abc10.microsoft.com,300),employee)
DISPLAY()
WRITE()';
my $regex = qr/([\w]+)\(((\([^)]+\)),([^)]+))?\)/mp;
if ( $str =~ /$regex/g ) {
print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n";
# print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n";
# print "Capture Group 2 is $2 ... and so on\n";
}
# ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p'
# Named capture groups can be called via $+{name}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Perl, please visit: http://perldoc.perl.org/perlre.html