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 end of a line.

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 on a …

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 match or …

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 used in regex, …

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 regex …

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 the all regular …