ByteBuster Tools

Zero-Latency Regex Tester

Isolated V8 Engine • Backtracking Protection

Local Execution
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Regex Cheat Sheet

Character Classes
\wWord (Alphanumeric + _)
\dDigit (0-9)
\sWhitespace (space, tab, newline)
.Any character (except newline)

Backtracking Protection Active

ByteBuster executes Regex locally in a sandboxed Web Worker. If you write an inefficient query that causes "Catastrophic Backtracking", we intercept it and kill the worker at 2000ms to prevent your browser from freezing.