python-regex

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Last Updated: 14 March 2024

Regex or Regular Expressions are an important part of Python Programming or any other Programming Language. It is used for searching and eve ...read more

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Python

python-regex

Technical Scripter 2020

re.MatchObject.group() function in Python Regex

Last Updated: 27 May 2021

re.MatchObject.group() method returns the complete matched subgroup by default or a tuple of matched subgroups depending on the number of ar ...read more

Python

python-regex

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 t...read more

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Python Regex-programs

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Check if an URL is valid or not using Regular Expression

Last Updated: 07 December 2022

Given a URL as a character string str of size N.The task is to check if the given URL is valid or not.Examples :Input : str = "https://www.g ...read more

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How to validate an IP address using ReGex

Last Updated: 15 February 2023

Given an IP address, the task is to validate this IP address with the help of Regex (Regular Expression) in C++ as a valid IPv4 address or I ...read more

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Python Regex: re.search() VS re.findall()

Last Updated: 11 January 2022

Prerequisite: Regular Expression with Examples | PythonA Regular expression (sometimes called a Rational expression) is a sequence of charac ...read more

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Python program to validate an IP Address

Last Updated: 22 April 2023

Prerequisite: Python RegexGiven an IP address as input, write a Python program to check whether the given IP Address is Valid or not.What is ...read more

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Check if email address valid or not in Python

Last Updated: 30 September 2024

Given a string, write a Python program to check if the string is a valid email address or not.An email is a string (a subset of ASCII charac ...read more

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Python | Remove all characters except letters and numbers

Last Updated: 10 January 2025

Objective is to write a program that filters out all characters from a string except for letters (a-z, A-Z) and digits (0-9). The aim is to ...read more

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Replace values in Pandas dataframe using regex

Last Updated: 31 July 2023

While working with large sets of data, it often contains text data and in many cases, those texts are not pretty at all. The text is often i ...read more

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Find all the numbers in a string using regular expression in Python

Last Updated: 08 May 2023

Given a string str containing numbers and alphabets, the task is to find all the numbers in str using regular expression.Examples:Input: abc ...read more

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Program to check if a string contains any special character

Last Updated: 08 April 2024

Given a string, the task is to check if that string contains any special character (defined special character set). If any special character ...read more

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Extracting email addresses using regular expressions in Python

Last Updated: 29 December 2020

Let suppose a situation in which you have to read some specific data like phone numbers, email addresses, dates, a collection of words etc. ...read more

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Check for URL in a String - Python

Last Updated: 12 April 2025

We are given a string that may contain one or more URLs and our task is to extract them efficiently. This is useful for web scraping, text p ...read more

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Python program to check the validity of a Password

Last Updated: 06 September 2024

In this program, we will be taking a password as a combination of alphanumeric characters along with special characters, and checking whethe ...read more

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