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Python Regex-programs

38 posts

Categorize Password as Strong or Weak using Regex in Python

Last Updated: 28 March 2023

Given a password, we have to categorize it as a strong or weak one. There are some checks that need to be met to be a strong password. For a weak password, we need to retu...read more

Python Regex-programs

Python program to Count Uppercase, Lowercase, special character and numeric values using Regex

Last Updated: 28 August 2023

Prerequisites: Regular Expression in PythonGiven a string. The task is to count the number of Uppercase, Lowercase, special character and numeric values present in the str...read more

Python Programs

Python Regex-programs

Extract IP address from file using Python

Last Updated: 10 February 2022

Let us see how to extract IP addresses from a file using Python. Algorithm : Import the re module for regular expression.Open the file using the open() function.Read all ...read more

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Python Regex-programs

Python program to extract Strings between HTML Tags

Last Updated: 17 May 2023

Given a String and HTML tag, extract all the strings between the specified tag.Input : 'bGfg/b is bBest/b. I love bReading CS/b from it.' , tag = "br"Output : ['Gfg', 'Bes...read more

Python Programs

Python Regex-programs

How to Remove repetitive characters from words of the given Pandas DataFrame using Regex?

Last Updated: 06 February 2023

Prerequisite: Regular Expression in PythonIn this article, we will see how to remove continuously repeating characters from the words of the given column of the given Pand...read more

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Python pandas-dataFrame

Python Regex-programs

Extract punctuation from the specified column of Dataframe using Regex

Last Updated: 29 December 2020

Prerequisite: Regular Expression in PythonIn this article, we will see how to extract punctuation used in the specified column of the Dataframe using Regex.Firstly, we are...read more

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Python pandas-dataFrame

Python Pandas-exercise

Python Regex-programs

Python program to find files having a particular extension using RegEx

Last Updated: 29 December 2020

Prerequisite: Regular Expression in PythonMany of the times we need to search for a particular type of file from a list of different types of files. And we can do so with ...read more

Python Programs

Python Regex-programs

How to check if a string starts with a substring using regex in Python?

Last Updated: 28 August 2023

Prerequisite: Regular Expression in PythonGiven a string str, the task is to check if a string starts with a given substring or not using regular expression in Python.Exam...read more

Python Regex-programs

How to extract date from Excel file using Pandas?

Last Updated: 02 January 2023

Prerequisite: Regular Expressions in PythonIn this article, Let's see how to extract date from the Excel file. Suppose our Excel file looks like below given image then we ...read more

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Python pandas-datetime

Python Regex-programs

Python - Check if String Contain Only Defined Characters using Regex

Last Updated: 05 January 2024

In this article, we are going to see how to check whether the given string contains only a certain set of characters in Python. These defined characters will be represente...read more

Python Regex-programs

Python program to find Indices of Overlapping Substrings

Last Updated: 31 July 2023

To count the number of overlapping sub-strings in Python we can use the Re module. To get the indices we will use the re.finditer() method. But it returns the count of non...read more

Programming Language

Python Programs

Python string-programs

Python Regex-programs

Python program to find the type of IP Address using Regex

Last Updated: 02 September 2021

Prerequisite: Python RegexGiven an IP address as input, write a Python program to find the type of IP address i.e. either IPv4 or IPv6. If the given is neither of them the...read more

Technical Scripter

Python Programs

Technical Scripter 2020

Python Regex-programs

Converting a 10 digit phone number to US format using Regex in Python

Last Updated: 29 December 2020

Text preprocessing is one of the most important tasks in Natural Language Processing. You may want to extract number from a string. Writing a manual script for such proces...read more

Python Regex-programs

Validate an IP address using Python without using RegEx

Last Updated: 31 July 2023

Given an IP address as input, the task is to write a Python program to check whether the given IP Address is Valid or not without using RegEx.What is an IP (Internet Proto...read more

Python Programs

Python Regex-programs

Check if license plate number is formatted correctly using Python

Last Updated: 10 July 2024

In various administrative and practical applications, validating the format of a license plate number is crucial. Ensuring that a license plate number adheres to a specifi...read more

Python Regex-programs