Regex Tester | MyClickTools

Test & Debug Regular Expressions Instantly

Test and debug regular expressions instantly online. Free, modern, and mobile-friendly regex tester tool for developers and learners. No tracking, no ads, privacy-friendly! By MyClickTools.

Instant Testing

No Uploads

Mobile Friendly

Start Testing

Popular Regex Tester Searches & Use Cases

Looking for a regex tester for Python, JavaScript, Java, C#, Bash, or .NET? Need to test regex for emails, numbers, special characters, or URLs? MyClickTools Regex Tester supports all these and more. Try our regex tester online for instant results, capture groups, and explanations.

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Common Regex Patterns & Examples

Email:

Matches most email addresses.

Number:

Matches only numbers.

URL:

Matches http/https URLs.

Special Characters:

Matches any non-alphanumeric character.

Regex Tester Comparison

Feature	MyClickTools	Regex101	RegExr
Privacy	100% Local	Requires Account	Requires Account
Languages	JS, Python, Java, C#, Bash	JS, PHP, Python	JS
Export/Copy	Yes	Yes	Yes
Mobile Friendly	Yes	Yes	Yes
No Ads	Yes	No	No

Feature

MyClickTools

Regex101

RegExr

Privacy

100% Local

Requires Account

Languages

JS, Python, Java, C#, Bash

JS, PHP, Python

Export/Copy

Yes

Mobile Friendly

Yes

No Ads

Yes

Regex Tester FAQ & Guide

What is a Regex Tester?
A Regex Tester lets you test and debug regular expressions against sample text instantly. It helps you learn, debug, and share regex patterns for any language.

How do I use this Regex Tester?
Enter your regex pattern, flags, and test text. Results and matches update instantly. Use the example buttons to try common patterns.

What are regex flags?
Flags like g (global), i (ignore case), m (multiline) change how your regex works. Try different flags for different results.

Can I use this for Python, Java, C#, Bash?
Yes! The syntax is similar, but some features may differ. See language docs for details.

How do I test for special characters, numbers, or emails?
Use the interactive examples above or see the guide for common patterns.

Is my data private?
Yes, all processing is done locally in your browser. No data is sent or saved anywhere.

Can I copy or export the result?
Yes, you can easily copy or export the results.

Is this tool mobile-friendly and accessible?
Absolutely! The design is responsive, keyboard-accessible, and supports dark mode.

What does 'regex test is not a function' mean?
This error means you tried to call .test on something that is not a RegExp object. Make sure your variable is a regex.

Regex vs Match vs Exec?
test returns true/false, match returns matches, exec returns match details. Try all for different needs.

Matches:

Testimonials

“Best regex tester I've used!”

“Super helpful for debugging patterns.”

Did you know?

Regular expressions are used in almost every programming language for pattern matching and text processing.

String Encode/Decode Text Sorter Sentence Capitalizer

FAQs

What is a Regex Tester?
A Regex Tester lets you test and debug regular expressions against sample text instantly.
Is my data private?
Yes, all processing is done locally in your browser. No data is sent or saved anywhere.
Can I copy or export the result?
Yes, you can easily copy or export the results.
Is this tool mobile-friendly and accessible?
Absolutely! The design is responsive, keyboard-accessible, and supports dark mode.