SEO Regex Analyzer

Analyze your HTML SEO tags, discover missing metadata, inspect headings and test custom regular expressions. Free, fast and browser-based.

1. Analyze Your SEO HTML

Paste your webpage HTML source code below. The analyzer will inspect common SEO elements and highlight potential issues. You can copy the source from your browser's View Page Source option.

SEO Analysis Report

These results are rule-based checks of the HTML you supplied. They are suggestions, not a Google ranking score.

0 Checks passed
0 Warnings
0 Issues
0% Check completion

2. Custom Regex Tester

Test your own regular expression against sample text. Select flags, validate your pattern and inspect matches.

Common flags: g, i, m, s, u.

Regex Test Results

Extracted Matches

SEO Regex Examples

Use these sample patterns to learn how regular expressions can help inspect common SEO-related HTML elements.

Find an HTML title

<title\b[^>]*>([\s\S]*?)</title>

HTML
Find meta description

<meta\b(?=[^>]*\bname=["']description["'])[^>]*>

Meta
Find canonical link

<link\b(?=[^>]*\brel=["']canonical["'])[^>]*>

URL
Find H1 headings

<h1\b[^>]*>([\s\S]*?)</h1>

Heading

How Does SEO Regex Analyzer Work?

SEO HTML Analysis

The analyzer checks the supplied HTML for title, description, headings, canonical links, robots directives and social sharing metadata.

Regular Expression Testing

Enter a regex pattern and sample text to validate syntax, find matching content and inspect results.

Note: This tool analyzes pasted HTML only. It does not crawl a live website or verify Google's indexing, ranking, Core Web Vitals or search results.

Frequently Asked Questions

What is an SEO Regex Analyzer?

It combines basic SEO HTML checks with regular expression testing to help inspect page metadata, headings and matching patterns.

What is Regex used for in SEO?

Regular expressions can help filter URLs, inspect HTML patterns, find metadata and organize matching text.

Can this tool analyze a live website URL?

This version analyzes HTML pasted into the editor. Open your page source, copy the HTML and paste it here.

Does the tool upload my HTML?

No. Analysis takes place in your browser using JavaScript. The supplied HTML and regex samples are not sent to HoxTools servers by this tool.

Does a passing SEO check guarantee higher rankings?

No. These checks only inspect selected HTML elements. Search rankings depend on many factors, and passing these checks does not guarantee indexing or rankings.