PS1-34: Make Your Match and Capture the Data: Use of SAS Text Parsing Functions

摘要

BackgroundSAS has a set of RX (“regular expression”) pattern matching and string manipulation functions. They provide a great deal more flexibility and power than string functions such as INDEX(), SCAN(), SUBSTR(), etc. in managing character strings. These functions enable one to locate, extract, and change patterns of character strings and are especially useful in situations of varying data patterns, formats, and placement within your source data.