3 files changed, 51 insertions, 0 deletions
diff --git a/challenge-273/peter-campbell-smith/blog.txt b/challenge-273/peter-campbell-smith/blog.txt
new file mode 100644
index 0000000000..51209c8de0
--- /dev/null
+++ b/challenge-273/peter-campbell-smith/blog.txt
@@ -0,0 +1 @@
+http://ccgi.campbellsmiths.force9.co.uk/challenge/273
diff --git a/challenge-273/peter-campbell-smith/perl/ch-1.pl b/challenge-273/peter-campbell-smith/perl/ch-1.pl
new file mode 100755
index 0000000000..5c83632497
--- /dev/null
+++ b/challenge-273/peter-campbell-smith/perl/ch-1.pl
@@ -0,0 +1,26 @@
+#!/usr/bin/perl
+
+# Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+use v5.26;    # The Weekly Challenge - 2024-06-10
+use utf8;     # Week 273 - task 1 - Percentage of character
+use warnings; # Peter Campbell Smith
+binmode STDOUT, ':utf8';
+
+percentage_of_character('the cat sat on the mat', 'a');
+percentage_of_character('percentage of character', 'g');
+percentage_of_character('the weekly challenge', 'z');
+percentage_of_character('zzzzzzzzzzzzzzzzzz', 'z');
+
+sub percentage_of_character {
+	
+	my ($str, $char, $chars);
+	
+	# remove $char from $str
+	($str, $char) = @_;
+	$chars = $str;
+	$chars =~ s|[^$char]+||g;
+	
+	say qq[\nInput:  \$str = '$str', \$char = '$char'];
+	say qq[Output: ] . int(length($chars) / length($str) * 100 + 0.5);
+}
diff --git a/challenge-273/peter-campbell-smith/perl/ch-2.pl b/challenge-273/peter-campbell-smith/perl/ch-2.pl
new file mode 100755
index 0000000000..9e4b5701f8
--- /dev/null
+++ b/challenge-273/peter-campbell-smith/perl/ch-2.pl
@@ -0,0 +1,24 @@
+#!/usr/bin/perl
+
+# Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+use v5.26;    # The Weekly Challenge - 2024-06-10
+use utf8;     # Week 273 - task 2 - B after a
+use warnings; # Peter Campbell Smith
+binmode STDOUT, ':utf8';
+
+b_after_a('aabb');
+b_after_a('abab');
+b_after_a('aaa');
+b_after_a('bbb');
+b_after_a('ccc');
+b_after_a('Write a script to return true if there is at least one b');
+
+sub b_after_a {
+	
+	my $str = $_[0];
+	
+	# match a 'b', and then match no 'a' in the rest of the string
+	say qq[\nInput:  \$str = '$str'];
+	say qq[Output: ] . (($str =~ m|b(.*)| and $1 =~ m|^[^a]*$|) ? 'true' : 'false');
+}