Benchmarking, the higher ops/sec the better. Safari 11.1.2 on OS X 10.12.6. Create dictionaries -Set-based x 1,393 ops/sec ±0.85% (60 runs sampled) -Re

Benchmarking, the higher ops/sec the better. Safari 11.1.2 on OS X 10.12.6. Create dictionaries -Set-based x 1,393 ops/sec ±0.85% (60 runs sampled) -Regex-based x 1,798 ops/sec ±0.75% (61 runs sampled) -Trie-based (1st-gen) x 419 ops/sec ±1.35% (61 runs sampled) -Trie-based (2nd-gen) x 986 ops/sec ±0.77% (63 runs sampled) Done.