Splitting Delimited Strings in Rexx Using the PARSE Statement
Learn how to use the Rexx PARSE statement to efficiently split delimited strings into named variables, including handling empty fields and dynamic field counts.
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rexxRexx String Extraction: Choosing Between PARSE and SUBSTR
Deciding between PARSE and SUBSTR in Rexx depends on whether your data is delimited or fixed-width. Learn when to use pattern-based extraction versus positional slicing for maintainable code.
Parsing Delimited Strings in Rexx Using CALL PARSE
Learn how to efficiently split strings and tokenize data in Rexx using the CALL PARSE instruction, including practical stem variable examples and common pitfalls.
Rexx SUBSTR: 1-Based Indexing Is a Feature, Not an Off-by-One Bug
Rexx SUBSTR counts from 1, not 0. That makes fixed-width extraction arithmetic-free — and breaks ported code. Here's how to use it, plus the padding and byte-counting traps.
Choosing Between STRING and INSPECT for COBOL String Manipulation
Decide whether to use COBOL’s STRING or INSPECT for string manipulation. Compare performance, memory usage, readability, and portability, then see a concrete example and verification checklist to guide your choice.
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