Regular Expression Tester

Check regular expression of the string

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Online regex testing

A regular expression, also known as a rational expression, is a string of characters that defines a search pattern and is frequently used in “find and replace”-like operations when matching patterns with strings.

A more general method of matching patterns with character sequences is through regular expressions. Every programming language, including C++, Java, and Python, uses it. You can check your regular expressions against any entry of your choice with our free regular expression tester, which highlights all matches. For expanded capabilities, it is JavaScript-based and makes use of the XRegExp library.

Features of regular expression tester

Absolutely free

Free online regular expression tester makes the statement more professional or provides an elegantly structured statement.

Compatible

To test your regular expression, use this instant regular expression tester online, which is compatible with Windows, MAC, Linux, Chrome, Firefox, Edge, and Safari.

Easy identification

This free online regular expression tester can easily identify a string of characters.

How to use it?

1Enter the existing expression into the big text box that says “Regular Expression”.

2Enter the string or character that you want to find.

3After that, click on the button called “Test Regex”.

4Further you can easily share, download and copy the result.

1Enter the existing expression into the big text box that says “Regular Expression”.

2Enter the string or character that you want to find.

3After that, click on the button called “Test Regex”.

4Further you can easily share, download and copy the result.

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Frequently asked questions

How can a date be verified using a regular expression?

Never verify a date with a regular phrase. The primary purpose of the regular expression is to verify the format of the date as entered by the user. It’s best to rely on real code for date validity.

What are your most popular tools like regular expression?

In addition to the regular expression, we also have a tonne of useful yet simple tools, such as the javascript beautifier, css beautifier, javascript minifier, XSLT Transformation, and sql formatter. Additionally, all of these technologies produce precise results quickly.