Overview
Tests a JavaScript regex against sample inputs and shows exactly what matched. Takes a pattern + flags and an array of test inputs, then returns a per-input matched / not-matched verdict, every match with byte index, all numbered capture groups, and named groups (?<name>...). Catches catastrophic-backtrack-shaped patterns up front (nested unbounded quantifiers) and rejects them with a clear error. Companion to regex-from-prompt: that one generates a pattern from natural language, this one tells
Protocol
x402 (POST)
Price
$0.0050
Payment Asset
USDC
Payment Network
base
Category
uncategorized
Provider
agentutility
Source
self-registered
Indexed
2026-08-28 06:15:26
Health
Status
healthy
Latency (p50)
92ms
Uptime (30d)
90.0%
Reliability Score
92/100
Last Checked
2026-09-02 15:56:17
Last Healthy
2026-09-02 15:56:17
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-02 15:56:17 | healthy | 402 | 16ms | |
| 2026-09-02 12:56:31 | healthy | 402 | 92ms | |
| 2026-09-01 23:16:58 | healthy | 402 | 3278ms | |
| 2026-09-01 17:17:05 | error | — | — | fetch failed |
| 2026-09-01 09:02:59 | healthy | 402 | 4688ms | |
| 2026-09-01 00:21:00 | healthy | 402 | 14ms | |
| 2026-08-31 18:29:29 | healthy | 402 | 65ms | |
| 2026-08-31 08:49:32 | healthy | 402 | 55ms | |
| 2026-08-31 03:20:53 | healthy | 402 | 3049ms | |
| 2026-08-30 21:11:52 | healthy | 402 | 3918ms |