Regex Tester
Test regular expressions with real-time matching, group highlighting, and cheat sheet — free, instant, and completely private.
Matches (2)
hello@example.comsupport@company.orgCommon Patterns
Quick Reference
.Any character (except newline)\dDigit [0-9]\wWord character [a-zA-Z0-9_]\sWhitespace^Start of string$End of string*0 or more+1 or more?0 or 1 (optional){n,m}Between n and m times[abc]Character class(…)Capture group(?:…)Non-capturing group(?=…)Lookahead(?<=…)Lookbehind|Alternation (OR)Real-Time Matching
See matches highlighted in real time as you type. Shows capture groups, match indices, and full details.
Cheat Sheet & Patterns
Quick reference for regex syntax plus 6 common patterns (email, URL, phone, IP, hex color, date) ready to use.
Frequently Asked Questions
Built similarly to regex101.com, Toolsz Regex Tester provides real-time capture group highlighting and reference sheets. However, Toolsz avoids server-side compilation, meaning your sensitive query logs and data strings stay purely on your machine.
Toolsz Regex Tester is a seamless client-side alternative to regex101.com. It is incredibly quick, requires zero account logins, and guarantees 100% data privacy for robust string parsing. No signup, no premium, no data uploaded.
How to Use This Tool
- 1
Provide Test Text
Paste the string block you want to evaluate
- 2
Write Regex Pattern
Type the regular expression logic to detect matches
- 3
Evaluate Groups
View the dynamically highlighted syntax results instantly