1 files changed, 18 insertions, 0 deletions
diff --git a/challenge-110/abigail/ruby/ch-1.rb b/challenge-110/abigail/ruby/ch-1.rb
new file mode 100644
index 0000000000..e0ea490dc7
--- /dev/null
+++ b/challenge-110/abigail/ruby/ch-1.rb
@@ -0,0 +1,18 @@
+#!/usr/bin/ruby
+
+#
+# See ../README.md
+#
+ 
+#
+# Run as: ruby ch-1.rb < input-file
+#
+
+ARGF . each_line do |_|
+     if _ .  gsub(/\s+/,           "")     # Remove white space
+          .   sub(/^\+/,           "00")   # Replace leading + with 00
+          .   sub(/^\([0-9]{2}\)/, "0000") # Replace leading (NN) with 0000
+          . match /^[0-9]{14}$/            # Exactly 14 digits should be left
+     then print (_)
+     end
+end