Regex Generator
Build, test and transform regular expressions for SEO and analytics.
Generate regular expressions from a list of words or URLs.
Match type
Options
Generate flexible regex patterns for brand names including typos, accents, and letter variations.
Convert wildcard patterns (* and ?) to regular expressions. Useful for Screaming Frog, GSC filters and htaccess rules.
Generate redirect rules from a list of old โ new URL pairs.
Extract matches from text using a regex. Capture groups are extracted individually.
Paste text, click words to highlight them, then generate a regex from your selection.
Test a regex against text and see highlighted matches, match count, and line positions.
Matched values:
What is this tool and who is it for?
The Regex Generator is a suite of 7 tools designed for SEO professionals, analysts, and developers who need to build, test, and apply regular expressions in their day-to-day workflows โ without having to memorize regex syntax.
Regular expressions are used across most SEO platforms: Google Search Console filters, Screaming Frog custom filters, GA4 event conditions, Looker Studio calculated fields, log file analysis, .htaccess redirects, and more. The challenge is that writing correct regex by hand is error-prone and time-consuming.
This tool removes that friction. Whether you have a list of 500 URLs to match in GSC, a brand name that gets misspelled in 20 ways, or a batch of old URLs that need redirect rules โ each tab handles a specific task in seconds.
Regex Generator
Paste a list of words or URLs and instantly get a combined regex. Choose from Contains, Exact Match, Starts With, or Ends With patterns. The "Remove URL base" option strips the domain and keeps only the path, so you can paste raw URLs directly from a crawl export. The GSC split option automatically breaks the output into chunks under 4,096 characters โ the filter limit in Google Search Console.
Brand Regex
Generates a regex that captures not just your brand name, but the realistic ways users actually type it: swapped letters, doubled consonants, dropped vowels, phonetic substitutions (c/k, s/z), and accent variations. Useful for monitoring brand mentions in log files, GSC queries, or analytics reports where the same brand appears with dozens of spelling variations.
Wildcard Converter
Many SEO tools like Screaming Frog and some CMS platforms use glob-style wildcards (* and ?) rather than regex. This tab converts those patterns to proper regular expressions so you can use them in tools that require regex syntax. For example, /blog/*/amp becomes ^/blog/.*/amp$.
Redirect Rules Generator
Paste a list of old โ new URL pairs and get ready-to-deploy redirect rules for your server or platform. Supports .htaccess (Apache), Nginx, Cloudflare Workers, Netlify _redirects, and Vercel vercel.json. Eliminates manual rule writing for site migrations, URL restructuring, and domain changes.
Regex Extractor
Given a regex and a block of text, the extractor pulls out every match โ or, if your regex has a capture group, just the captured portion. Ideal for extracting URL slugs from a log file, pulling parameter values from a query string list, or isolating specific patterns from HTML source. Export the results as a CSV for further analysis.
Regex Highlighter
A visual way to build regex from existing text. Paste any content, click the words you want to match, and the tool generates the regex for you. No syntax required. Useful when you know what you want to match but not how to write the pattern โ common when working with custom reports or query filters you want to recreate from examples.
Common SEO use cases
1 Google Search Console filters
Filter pages by URL pattern to analyze performance for a specific section of the site โ blog, product pages, or a campaign landing page. Use the Generator tab with "Contains" and the GSC split option if your list is large.
2 Brand query monitoring
Track branded vs non-branded queries in GSC or GA4. Use the Brand Regex tab to generate a pattern that catches all common misspellings and variations, then use it as a custom segment filter in your analytics platform.
3 Site migration redirects
Export your old and new URL mapping from a spreadsheet, paste it into the Redirects tab, choose your platform, and get a deployable redirect file. Works for any scale โ from a handful of URLs to hundreds.
4 Log file analysis
Extract specific URL patterns, status codes, or bot names from raw server logs. Use the Extractor tab with a capture group to pull only the value you need, then export to CSV for pivot table analysis.
5 Screaming Frog custom filters
Screaming Frog accepts regex in its custom extraction and custom filter fields. Use the Wildcard Converter if you already have glob-style patterns, or the Generator to create a multi-URL match filter.
6 GA4 and Looker Studio
GA4 custom dimensions, Looker Studio calculated fields, and Data Studio filters all support regex. Build your patterns here, validate them in the Tester tab, then copy directly into your report configuration.