refactor(parser): slice regex pattern in lexer

[overlookmotel]

WIP

[overlookmotel]

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• refactor(parser): slice regex pattern in lexer #2556 👈
• perf(parser): faster lexing regexes #2542
• refactor(parser): byte_search macro evaluate to matched byte #2555 : 1 other dependent PR (#2558 )
• refactor(parser): small efficiencies in byte_search macro usage #2554
• refactor(parser): remove start params for byte_search macro arms #2553
• refactor(parser): simplify byte_search macro #2552
• main

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[codspeed-hq]

CodSpeed Performance Report

Merging #2556 will not alter performance

_{Comparing 02-29-refactor_parser_slice_regex_pattern_in_lexer (e99371a) with 02-29-perf_parser_faster_lexing_regexes (2017511)}

Summary

✅ 27 untouched benchmarks

[overlookmotel]

This was intended to be faster, but it's not clear that it actually is, so closing. I may try again when I return to working on lexer.