use strict;
my $str = 'to execute Form 4506-C on behalf of the taxpayer. Note: This form must be received by IRS within 120 days of the signature date.
Signatory attests that he/she has read the attestation clause and unon so reading declares that he/she has the authority to sign the
Form 4506-C. See instructions.
to execute Form 4506-C on behalf of the taxpayer. Note: This form must be received by IRS within 120 days of the signature date.
X Signatory attests that he/she has read the attestation clause and unon so reading declares that he/she has the authority to sign the
Form 4506-C. See instructions.
to execute Form 4506-C on behalf of the taxpayer. Note: This form must be received by IRS within 120 days of the signature date.
asdas Signatory attests that he/she has read the attestation clause and unon so reading declares that he/she has the authority to sign the
Form 4506-C. See instructions.
';
my $regex = qr/(?<=signature date\.\r?\n)\w+(?=\sSignatory attests)/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