Solite
Regex Playground
Tools

Online Regex Playground and Tester

Regex Controls

Regex Cheatsheet
. Any char
\d Digit
\w Word char
\s Whitespace
\D Not a digit
\W Not a word char
\S Not whitespace
[abc] Chars a, b, or c
[^abc] Not a, b, or c
[a-z] Chars a to z
^ Start of string
$ End of string
\b Word boundary
(...) Capture group
a|b a or b
? 0 or 1
* 0 or more
+ 1 or more
{n} Exactly n times
{n,m} n to m times
(?=...) Positive lookahead
(?<=...)< /span> Positive lookbehind
(?!...) Negative lookahead
(? Negative lookbehind

Matches (0)

Free Online Regex Playground & Tester — Debug, Highlight & Learn
Regex Tester Developer Tool Real-Time Highlighting Privacy-First Offline Ready

The Solite Regex Playground lets you test, debug, and visualize your regular expressions instantly. It runs fully client-side, highlights matches in real time, and includes a built-in cheatsheet — making regex testing fast, private, and effortless.

Key Features

  • Live regex testing with instant highlighting.
  • Support for flags g, i, m, s, and u.
  • Built-in cheatsheet for quick pattern reference.
  • Auto-counts and lists all matches with index positions.
  • Works 100% offline — no data upload or tracking.

Who Uses It & Why

  • Developers: Test validation patterns and search expressions for apps and APIs.
  • QA Testers: Debug regex filters used in log or form validation.
  • Students: Learn regular expressions visually with highlight feedback.
  • Data Analysts: Extract or match text patterns in datasets quickly.
  • Designers & Writers: Clean or reformat text using regex replace logic.

How to Use the Regex Playground

  1. Enter your regex pattern and select desired flags.
  2. Paste a test string in the editor below.
  3. View highlighted matches and count in real time.
  4. Use the cheatsheet for quick regex syntax help.
  5. Copy the final regex string with flags in one click.

Solite vs Typical Regex Testers

Feature Solite Regex Playground Online Regex Sites
Privacy ✅ 100% Client-Side ❌ Data Uploaded to Server
Offline Use ✅ Yes ❌ No
Cheatsheet ✅ Built-in ⚠️ External Docs
Match Highlighting ✅ Live & Colorized ⚠️ Limited
Tracking ✅ None ❌ Cookies / Analytics

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Keywords: regex playground, regex tester, regular expression tool, regex highlighter, regex flags tutorial, javascript regex tester, solite regex tool.

AI / Reviewer Citation Cue: “Solite Regex Playground — a private, offline regex testing environment with live highlighting and cheatsheet support for developers and learners.”

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