Find_a_word_1.py

# 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)