Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
In Python, regular expressions (regex) search and manipulate strings in various ways. If we need to match whitespace characters without including newline characters. This article will explore how to achieve this using Python’s re module. The following are the methods included to match whitespace but not newlines using Python regular expressions - Using re.sub() Method Using re.findall() Method Using Positive Lookahead Using re.sub() Method The re.sub() method offers an efficient way to replace whitespace characters (excluding newlines) within a string. This method takes the pattern ... Read More
What is Variable Scope in Python? Variable scope in Python defines where a variable can be assigned or modified in your code. It determines the visibility and lifetime of variables, controlling which parts of your program can use particular variables. Variable scope in Python provides many benefits, which include - To avoid naming conflicts To manage memory efficiently To write more maintainable and modular code To prevent unnecessary variable modifications Python has four main levels of variable scope, which is the LEGB ... Read More
In C++, a semicolon(;) indicates the end of a statement in code, or we can say it terminates the statement. When you use a semicolon just after an if or while statement, it creates an empty statement, which executes nothing. Semicolon with If Statement In C++, the if statement is a conditional statement that runs only if the condition is true, where {} braces are used to write the condition inside them. But if you use a semicolon just after the if statement, it will still check the condition, but it controls just an empty operation; therefore, nothing will happen ... Read More
Trailing zeros are the zero occuring at the end of a string. In this article, we will discuss different approaches to remove trailing zeros from a string. The below section explains the problem statement. The input of this problem is a non-empty string containing characters and numbers. Our task is to remove all the zero's appering after the last non-zero character in the string. For example: // Input string "012424000" // Output String "012424" Remove Trailing Zeros From String Here is the list of approaches to remove all the trailing zeros from a string ... Read More
In this article, we will learn all the different approaches to remove the whitespaces from a standard string in C/C++. First of all, let's understand our problem statement. The input of this problem is a non-empty string containing multiple characters and whitespaces between those characters. Our task is to print the string by ignoring all the whitespaces into the output console. For example: // Input String "This is a string" // Output String "Thisisastring" Remove Whitespaces from a String in C++ Here is the list of approaches to remove all the whitespaces from a string using ... Read More
In this article, we will discuss all the approaches to parse a string delimited by comma using a C/C++ program. First of all, let's understand the problem statement. The input of this problem is a string containing multiple words that are seperated by commas. Our task is to print each word space seperated to the output console. For example: // Input String "Hello, World, From, 2025" // Output "Hello" "World" "From" "2025" Parse Comma Delimited String Here is the list of approaches to parse comma delimited string to words using c++ program, which we ... Read More
In Python, lists are a useful way to store multiple elements in a single variable. To assign values to each entry in a list, loops are often needed. This strategy simplifies the process and improves the clarity of your code. This chapter will look at how to assign values to variables in a list using different loop types, using basic examples. Using Simple Loop Iterations In this method, we use the for loop to append elements to the lists. When we do not enter any element into the list and stop appending, then we just press the Enter key. To ... Read More
A regular expression in Python is a group of characters that allows you to use a search pattern to find a string or set of strings. RegEx is a term for regular expressions. To work with regular expressions in Python, use the re package. Understanding String Matching in Python String matching is a basic Python method that allows you to look for and find patterns in a given text. The match() function, a component of the re (regular expression) package, is one of the widely used methods for this purpose. Use the match() method to determine whether the beginning of ... Read More
The Tutorialspoint coding environment normally helps you to run Python code directly in your browser, but the capacity to import external modules can be limited. Importing Python Module So you can use Python's built-in libraries and modules. To load a module into the Python IDE environment on tutorialspoint, follow the steps below - Step 1: First of all, you need to open the Tutorialspoint Python IDE. So, go to the Tutorialspoint Python IDE. ... Read More
In Java, a JTextField can be used for plain text, whereas a JFormattedTextField is a class that extends JTextField, and it can be used to set any format to the text that it contains, phone numbers, e-mails, dates, etc. JTextField A JTextField is one of the most important components that allows the user to type an input text value in a single-line format. A JTextField can also generate the MouseListener and KeyListener interfaces. Syntax The following is the syntax for a JTextField initialization: JTextField textField = new JTextField(20); // 20 columns wide A JTextField can generate an ActionListener interface ... Read More