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How-to articles, tricks, and solutions about REGEX

How to extract numbers from a string in Python?

In Python, you can use regular expressions to extract numbers from a string.

string regex python numbers

How to HTML-encode a String

Read this JavaScript tutorial and learn about some useful and fast methods that help you to HTML-encode the string without causing the XSS vulnerability.

html javascript regex function encoding strings

How to match "any character" in regular expression?

To match "any character" in a regular expression, you can use the . (dot) character. The . character matches any single character, except for a newline.

java regex

How to match whitespace, carriage return and line feed using regular expression in PHP?

In PHP, you can match whitespace, carriage return, and line feed using the following regular expression:

html php regex whitespace carriage-return

How to Remove Spaces From String

Read this JavaScript tutorial and learn several methods that are used to remove spaces from a string. Also, know which is the fastest method to choose.

javascript array string regex array methods

How to Remove Text from String

Read this JavaScript tutorial and learn useful information about several easy and fast built-in methods that are used for removing the text from a string.

javascript string regex number

How to Split a String in Java

Learn the ways to split a string in Java. The most common way is using the String.split () method, also see how to use StringTokenizer and Pattern.compile ().

java string regex

How to Validate an E-mail Using JavaScript

Read this tutorial and learn a fast and easy solution to the issue of validating an email using JavaScript. Also, you will read about what the email is.

html javascript form validation email regex

How to Validate an Email with PHP

This tutorial explains how to validate an email using the PHP arsenal. Check out the examples of how to do that with the help of a PHP function and regex.

php validation email regex function

How to Validate URL with PHP

In this snippet, we provide guidelines on one of the most common issues in PHP. Here, we show the most straightforward way on how to validate URL with PHP.

php link validation regex url