Validate and explain a regular expression (JavaScript flavour): is it valid, what each part means in plain English, whether it risks catastrophic backtracking (ReDoS), and what it matches in up to 20 test strings (with groups). POST {pattern, flags, tests}.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.001000 USDC | 0xbA7d...3442 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.00 tokens | Byc8eb...CT4Q |
| Polygon | exact | $0.001000 USDC | 0xbA7d...3442 |
| Arbitrum One | exact | $0.001000 USDC | 0xbA7d...3442 |