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> Test patterns against real text and inspect all matches.
> Toggle flags, debug errors, and copy the final expression.
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Regex Builder AI
Generate regex patterns for validation, extraction, and replacement scenarios.
Cron Validator
Validate cron expressions, see next run times, and field breakdown.
JSON Formatter
Validation, formatting and syntax highlighting for JSON.
Base64
Encode and decode text to/from Base64 format with UTF-8 support.