Tag: Regex
Python : How to Compare Strings ? | Ignore case | regex | is vs == operator
In this article we will discuss different ways to compare strings in python like, using == operator (with or without ignoring case) or using is operator or using regex. Python provides various operators to compare strings i.e. +, !=, <, >, <=, >=. When used for comparison these operators return Boolean True or False value. …
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Python: Remove characters from string by regex & 4 other ways
In this article we will discuss different ways to delete single or multiple characters from string in python either by using regex() or translate() or replace() or join() or filter(). Remove characters from string using regex Python’s regex module provides a function sub() i.e. Advertisements re.sub(pattern, repl, string, count=0, flags=0) It returns a new string. …
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Python: Replace sub-strings in a string using regex
This article will discuss how to replace a substring in a string using regex in python. Table of Contents Syntax of regex.sub() Python: Replace all whitespace characters from a string using regex Python: Replace fixed size words in a string with XXXX Python: Replace all lowercase characters with uppercase and vice-versa Python: Replace all special …
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Javascript: Replace with RegEx Example
This article demonstrates how to use the replace() function in javascript with regular expressions using different examples of replacing characters from a string. Table of Contents: Introduction and Syntax of replace() function Example 1: Replace special characters from a string Example 2: Replace spaces from a string Example 3: Replace anything but digits from a string Introduction …
Replace column values with regex in Pandas
This tutorial will discuss about different ways to replace column values with regex in pandas. Table Of Contents Preparing DataSet Method 1: Using replace() Method 2: Using apply() Summary Preparing DataSet First we we will prepare a DataFrame with six rows and four columns. Advertisements import pandas as pd import re # List of Tuples …
Check if Any Element in List Matches Regex in Python
This tutorial will discuss about a unique way to check if any element in list matches regex in Python. We can use the Python’s regex module, to check if any element in the list of strings, matches a regex pattern or not. Suppose we have a list of strings, Advertisements listObj = [“sample”, “is”, “text”, …
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Check If Any Element in Array Matches Regex Pattern in C++
This tutorial will discuss about a unique way to check if any element in array matches regex pattern in C++. The std::regex_match() function from the <regex> header file, accepts a string as the first argument and a regex pattern as the second argument. It returns true if the given string matches the given regex pattern. …
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Regex for Linux – Regular Expression Syntax for Beginners
Regex for Linux, regular expressions are similar to the wildcards which allow us to create a pattern to perform a specific search in data. Regular expressions are lot more powerful and also known as “regex” or “regexp“. The commands in Linux that are commonly used with regex are tr, sed, vi and grep. Basic Regular …
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