import re

lines = open("greetings.txt", "r").readlines()

for line in lines:
    m ="Dear\s+(M[r]?[s]?|Miss|Dr|Rev)[\.|\s]\s*(\w+)", line)
    if m:
        print("Title = %s, surname = %s" % (,

# r"Dear\s+(M[r]?[s]?|Miss|Dr|Rev)[\.|\s]\s*(\w+)"
# Dear followed by 1 or more spaces followed by the first group
# This group contains M followed by 0 or 1 r followed by
# 0 or 1 s (Matching Mr, Ms or Mrs), or it contains Miss,
# or it contains Dr or it contains Rev). This is followed
# by a full stop or a space, followed by 0 or more spaces,
# followed by the second group. This second group
# contains 1 or more word characters, thus matching
# the surname. Phew!!!

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