The most occurring number in a string using Regex in python

In this tutorial, we are going to write a regex that finds the most occurring number in the string. We will check the regex in Python.

Follow the below steps to write the program.

• Import the re and collections modules.
• Initialize the string with numbers.
• 4Find all the numbers using regex and store them in the array.
• Find the most occurring number using Counter from collections module.

Example

 Live Demo

# importing the modules
import re
import collections
# initializing the string
string = '1222tutorials321232point3442'
# regex to find all the numbers
regex = r'[0-9]'
# getting all the numbers from the string
numbers = re.findall(regex, string)
# counter object
counter = collections.Counter(numbers)
# finding the most occurring number
high_frequency = 0
highest_frequency_number = None
for key in list(counter.keys()):
   if counter[key] > high_frequency:
      highest_frequency_number = counter[key]
      # printing the number
print(highest_frequency_number)

Output

If you run the above code, then you will get the following result.

2

Conclusion

If you have any queries in the tutorial, mention them in the comment section.