use strict;
my $str = 'import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
private final String COMMENTS = "test";
private final String VARIABLE_NAME_REGEX="(\\w*)<?>?\\s*=(?=(?:[^"]|"[^"]*["])*$)";
String test="test";
String test222;
String includeThisAlso ;
List <String> arr;
List <String> list=null;
private final String COMMENTS = "test";
private List<String> test;
';
my $regex = qr/^\s*\w+(?:\s+\w+)*?(?:\s*<\w+>)?\s+(\w+)(?=\s*[=;])/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