Can I embed the regex tester for free?

Yes. The iframe embed is free for tutorials, docs, and educational content.

Does embedding require account registration?

No account is required for standard embed usage.

Can I prefill pattern and flags?

Yes. Use query parameters such as pattern, flags, text, and flavor in the embed URL.

Is the embedded widget mobile-friendly?

Yes. Use the responsive iframe wrapper shown on this page for best results on mobile devices.

Embed Regex Tester | Developer Widget & Embed Kit

Why Embed?

📚 Better Tutorials

Readers learn by doing, not just reading.

🔗 Backlinks

Every embed links back to ToolsMatic SEO juice.

🎯 Engagement

Interactive tools increase time-on-page 3-5x.

⚡ Zero Maintenance

We handle updates, you keep the embed.

🌍 Drive Traffic

Readers discover ToolsMatic through embed.

📊 Cross-Site Stats

Anonymous analytics on embed performance.

⚡ Quick Start (30 seconds)

Copy and paste this into your page HTML:

<iframe 
  src="https://toolsmatic.me/tools/regex-tester.html"
  width="100%"
  height="600"
  frameborder="0"
  style="border-radius: 10px; border: 1px solid #ccc;">
</iframe>

That's it! You now have a working regex tester embedded.

↑ Regex Tester will render here on your site ↑

(This is a preview area)

Advanced Embedding Options

1. Basic iFrame (Recommended for Most)

Simple, works everywhere, no configuration needed.

<div style="max-width: 800px; margin: 0 auto;">
  <iframe 
    src="https://toolsmatic.me/tools/regex-tester.html"
    width="100%"
    height="700"
    frameborder="0"
    referrerpolicy="no-referrer"
    style="border-radius: 12px; border: 1px solid #e5e7eb;">
  </iframe>
</div>

2. Responsive iFrame (Mobile-Friendly)

Auto-scales on mobile, tablet, desktop.

<style>
  .regex-tester-embed {
    position: relative;
    padding-bottom: 100%;
    height: 0;
    overflow: hidden;
  }
  .regex-tester-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
  }
</style>

<div class="regex-tester-embed">
  <iframe src="https://toolsmatic.me/tools/regex-tester.html"></iframe>
</div>

3. Pre-Loaded Pattern (Guided Learning)

Open the tester with your pattern pre-filled.

<a href="https://toolsmatic.me/tools/regex-tester.html?pattern=%28%3F%3Cemail%3E%5Ba-z0-9._%2B-%5D%2B%29%40%28%3F%3Cdomain%3E%5Ba-z0-9.-%5D%2B%29&flags=g&text=admin%40example.com">
  Open Email Pattern in Regex Tester →
</a>

Generate encoded URLs: Use our URL Encoder

4. Web Component / Custom Element (Advanced)

Modern approach for single-page applications.

<script src="https://toolsmatic.me/assets/regex-tester-component.js"></script>

<regex-tester 
  pattern="(?<name>\\w+)"
  flags="g"
  height="500px"
  theme="dark">
</regex-tester>

5. JavaScript SDK (Full Control)

Programmatic control of the tester.

<div id="regex-container"></div>

<script src="https://toolsmatic.me/assets/regex-tester-sdk.js"></script>
<script>
  const tester = new RegexTester({
    container: 'regex-container',
    pattern: '[a-z0-9]+@[a-z]+\\.[a-z]+',
    flags: 'g',
    theme: 'auto',
    onScore: (score) => console.log('Score:', score),
    onAchievement: (badge) => console.log('Achievement:', badge)
  });
</script>

Embed Guides for Popular Platforms

📝 Medium

1. Write your article normally in Medium

2. When done, click "..." menu → "Embed a custom embed"

3. Paste this HTML:

<iframe width="100%" height="600" 
  src="https://toolsmatic.me/tools/regex-tester.html" 
  frameborder="0" style="border-radius:10px;"></iframe>

📚 Dev.to

Dev.to automatically embeds iframes in markdown. Add this anywhere in your article:

{% embed https://toolsmatic.me/tools/regex-tester.html %}

📖 Notion

1. Click "+" to add a block

2. Type "Embed"

3. Paste: https://toolsmatic.me/tools/regex-tester.html

4. Notion will auto-embed with proper sizing

🔧 Docusaurus / Markdown

import { RegexTester } from '@toolsmatic/embed';

export default () => <>
  <RegexTester pattern="[a-z]+" />
</>

🎓 Course Platforms (Udemy, Teachable, etc.)

1. Go to Lesson → "Add Section"

2. Choose "HTML / Rich Text"

3. Click "Switch to Code"

4. Paste iframe embed code

📰 WordPress

1. Add custom HTML block (Gutenberg)

2. Paste iframe code:

<!-- wp:html -->
<iframe src="https://toolsmatic.me/tools/regex-tester.html" 
  width="100%" height="600" frameborder="0" 
  style="border-radius:10px; margin:20px 0;"></iframe>
<!-- /wp:html -->

🌐 Custom Websites

Add to any HTML page:

<section class="regex-tester-section">
  <h2>Try It Yourself</h2>
  <iframe src="https://toolsmatic.me/tools/regex-tester.html" 
    width="100%" height="650" frameborder="0"></iframe>
</section>

Customization & Configuration

Query Parameters

Pre-fill the tester via URL parameters:

Parameter	Value	Example
`pattern`	URL-encoded regex	`pattern=%5Ba-z%5D%2B`
`flags`	gimsuvy	`flags=gi`
`text`	Test input	`text=hello%20world`
`flavor`	javascript\|python\|pcre	`flavor=python`

Complete Example

https://toolsmatic.me/tools/regex-tester.html?
pattern=%28%3F%3Cemail%3E%5Ba-z0-9%5D%2B%29%40%5Ba-z%5D%2B&
flags=g&
text=Contact%3A%20admin%40example.com&
flavor=javascript

Styling Options

<!-- Light theme (default) -->
<iframe src="..." data-theme="light"></iframe>

<!-- Dark theme -->
<iframe src="..." data-theme="dark"></iframe>

<!-- Auto (respects system preference) -->
<iframe src="..." data-theme="auto"></iframe>

Analytics & Tracking

Every embed automatically tracks anonymous usage:

✅ Patterns tested (anonymous)
✅ Challenges submitted
✅ Referrer site (shows which blog/site)
✅ Device type (mobile/desktop)
✅ Geographic region

Your Dashboard: toolsmatic.me/embed-analytics

View real-time stats on how your embed is performing!

Attribution Line

Optional: Add attribution to your embed:

<p style="text-align: center; color: #999; font-size: 0.9rem; margin-top: 12px;">
  Regex tester powered by <a href="https://toolsmatic.me/tools/regex-tester.html">ToolsMatic</a>
</p>

Support & Troubleshooting

Embed Not Showing?

✓ Check iFrame width/height are set
✓ Verify URL starts with `https://`
✓ Disable ad blockers (they sometimes block iframes)
✓ Check browser console for CORS errors

Pattern Not Pre-Filling?

✓ Verify URL encoding is correct (use our URL Encoder)
✓ Special chars need `%XX` encoding
✓ Example: `[` = `%5B`, `]` = `%5D`

Mobile Display Issues?

✓ Use responsive iframe CSS (see Advanced section)
✓ Set min-height for better UX
✓ Test on real devices, not just browser devtools

Need Help?

📧 Email: embed@toolsmatic.me
💬 GitHub Issues: toolsmatic/embed-support
🐦 Twitter: @ToolsMatic

ToolsMatic Embed Kit vs Typical Widget Options

Feature	ToolsMatic	Code Sandbox Embeds	Paid Tutorial Widgets
1-click iframe embed	Yes	Partial	Varies
Prefill via query parameters	Yes	Limited	Varies
No paywall for basic usage	Yes	Yes	No
SEO-friendly tutorial integration	Yes	Partial	Partial
Cost	Free	Free/Freemium	Paid

Frequently Asked Questions

Can I embed this in documentation platforms?

Yes. Medium, Dev.to, Notion, WordPress, and static docs sites all support iframe-based embedding.

Will the embed slow down my page?

The iframe loads independently of your main content. Keep a reasonable height and lazy-load where needed.

Can I track engagement from embedded usage?

Yes. You can use your page analytics plus optional attribution links to measure click-through and interactions.

Can I use this for commercial tutorials?

Yes. Standard embedding is allowed for educational and documentation use cases.

Ready to Embed?

Copy your favorite embed code above and paste into your site.
✨ Your readers will love the interactive learning experience.

Embed the Regex Tester in Your Site