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 matt.might.net
Sculpting text with regex, grep, sed and awk
| | rdrr.io
regex: Regular Expressions as used in R
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| | [AI summary] This documentation page details the syntax, metacharacters, and options for using regular expressions in the R programming language.
| | harelang.org
Implementing regular expressions in Hare
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| | [AI summary] The developer of the Hare programming language explains the design, implementation, and usage of its POSIX-compatible regular expression engine, detailing how it uses finite state automata and instruction-based virtual threads to ensure linear-time matching.
| | sebastiano.tronto.net
UNIX text filters, part 0 of 3: regular expressions | Sebastiano Tronto
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| | patshaughnessy.net
Reading Code Like a Compiler - Pat Shaughnessy
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| [AI summary] The article explains how the Crystal compiler parses code by breaking it down into tokens and constructing an abstract syntax tree (AST), highlighting the recursive process and the challenges of reading code one token at a time.