https://omarcrosby.com/tags/text-processing/ Recent content in Text-Processing on Omar Crosby https://omarcrosby.com/images/og.jpg https://omarcrosby.com/images/og.jpg Hugo en-us Mon, 20 Jul 2026 08:49:53 -0400 https://omarcrosby.com/posts/regular-expressions-across-unix-python-go-and-rust/ Mon, 20 Jul 2026 08:49:53 -0400 https://omarcrosby.com/posts/regular-expressions-across-unix-python-go-and-rust/ A tour of regular expressions shallow enough to onboard a beginner and deep enough to refresh an expert — literals, quantifiers, groups, lookaround, and the engine differences between PCRE-family backtrackers and RE2-family linear-time engines that power grep, Python, Go, and Rust.