Parsing Fixed‑Format Text in Rexx with the PARSE Instruction
Learn how Rexx's PARSE instruction replaces manual scanning loops with a declarative template, and see a worked CSV example you can run today.
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rexxRexx PARSE: Pattern-Based String Extraction Without Regex
Rexx's PARSE extracts structured data using literal delimiters, positional patterns, and variable placeholders — no regex. One statement handles logs, fixed-width records, arguments, and stems. Trade-offs: no alternation, whitespace-sensitive templates.