Developer Debug Tools

Browser-based utilities for practical debugging

ToolsAssistantBlogAboutPrivacyContact
  1. Home
  2. Tools
  3. Regex Tools

Regex tools for testing and debugging regular expressions

Regex is easier to trust when you test it against values that should match and values that should fail. This cluster focuses on pattern debugging, text extraction, trace IDs, and comparison workflows that often sit near regex work.

Tools in this workflow

Validators & Testers

Open

Regex Tester

Test regex patterns against sample text, inspect matches, and catch syntax errors immediately.

Dev Debug Helpers

Open

Trace / Correlation ID Extractor

Scan pasted text or logs and extract likely trace, request, and correlation identifiers.

Validators & Testers

Open

Diff Checker

Compare two text blocks side by side and highlight added, removed, and unchanged lines clearly.

Dev Debug Helpers

Open

Log Prettifier

Format JSON logs and semi-structured log lines into cleaner readable output for debugging.

Related guides

Regex basics for developers

A practical introduction to regular expressions for validation, extraction, log search, and text debugging.

FAQ

Developer Debug Tools

Fast online tools for formatting, decoding, converting, validating, and debugging developer data without sending payloads to a backend.

Explore

All toolsBlogAboutContact

Categories

FormattersEncoders & DecodersAPI & AuthConvertersValidators & TestersDev Debug Helpers

Popular tools

JSON FormatterJWT DecoderBase64 Encode/DecodeRegex TesterSQL Formatter

Legal

Privacy PolicyTerms & ConditionsCookie Policyalicanaygor@gmail.com