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# Importing the Regex library for removing the unwanted character

import re

def word_count(input_str,word):

# removing ( ), - , ' , , , .

pre_processed_text = re.sub(pattern="[^\w\s]", repl=" ", string=input_str)

# Splitting the text

text_1 = pre_processed_text.split(" ")

count=0

for i in range(0, len(text_1)):

if word == text_1[i]:

count = count+1

return count

input_str = "foo bar (foo) bar foo-bar foo_bar foo'bar bar-foo bar, foo."

word = "foo"

count_words = word_count(input_str, word)

print("The total number of {} present is".format(word), count_words)