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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

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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

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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 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