1 files changed, 42 insertions, 0 deletions
diff --git a/challenge-110/colin-crain/python/ch-1.py b/challenge-110/colin-crain/python/ch-1.py
new file mode 100644
index 0000000000..7c381f1c37
--- /dev/null
+++ b/challenge-110/colin-crain/python/ch-1.py
@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+#
+#
+#       phone-block.py
+#
+#       Valid Phone Numbers
+#         Submitted by: Mohammad S Anwar
+#         You are given a text file.
+# 
+#         Write a script to display all valid phone numbers in the given text file.
+# 
+#         Acceptable Phone Number Formats
+#             +nn  nnnnnnnnnn
+#             (nn) nnnnnnnnnn
+#             nnnn nnnnnnnnnn
+# 
+#         Input File
+#             0044 1148820341
+#              +44 1148820341
+#               44-11-4882-0341
+#             (44) 1148820341
+#               00 1148820341
+# 
+#         Output
+#             0044 1148820341
+#              +44 1148820341
+#             (44) 1148820341
+#
+#
+#
+#       © 2021 colin crain
+## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
+
+import re
+
+f = open("phone-numbers.txt", "r")
+for line in f:
+    pn = re.search(r"((?:\d{4}|\(\d\d\)|\+\d\d)\s\d{10}(?!\d))", line)
+    if pn != None:
+        print('{0:>16s}'.format(pn.group()))
+
+f.close