use strict;
my $str = '"Patient:
${ss.patient.howard.firstName} ${ss.patient.howard.lastName}
Gender: ${ss.patient.howard.sex}
Birthdate: ${ss.patient.howard.dob}
${ss.patient.howard.addressLine1}
Phone: (801)546-4765"
';
my $regex = qr/\${[a-z]+\.[a-z]+\.[a-z]+\.|}/p;
my $subst = '';
my $result = $str =~ s/$regex/$subst/rg;
print "The result of the substitution is' $result\n";
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