Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

Apr 19, 2023 · The $ is one of the RegEx characters known as metacharacters. It matches the end of a string and would only return a match when the text or string it is attached to is at the …

Sep 13, 2015 · 6 Can you help me what is the usage of $ in the following regular expression; I don't understand what is the usage? Does it mean just the end of string?

Dec 8, 2025 · This page provides an overall cheat sheet of all the capabilities of RegExp syntax by aggregating the content of the articles in the RegExp guide. If you need more information …

Menu RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). Supports JavaScript & PHP/PCRE RegEx. Results update in real-time as you type. Roll over a …

Jan 9, 2025 · The dollar sign $ is a metacharacter that matches the end of a string or line in regex. This allows you to anchor patterns to the very end of the text you are searching.

Validate US dollars, including zero dollars. Click To Copy. A set of regular expressions that helps you validate and parse Money/Currency/Price values.

Apr 12, 2024 · A regular expression (regex) is a sequence of characters that define a search pattern. Here's how to write regular expressions: Start by understanding the special characters …

When it comes to validating whether a string contains a specific special character, such as the dollar sign ('$'), regex offers a powerful solution. The following guide explains how to craft a …

I have read recently about JavaScript regular expressions, but I am confused. The author says that it is necessary to include the caret (^) and dollar symbol ($) at the beginning and end of …