INDEX is faster.
PRXMATCH is more flexible.
POS=prxmatch('/(TEXT?4|TEXT7|TEXT9)/',STRING);
The output is 0 even though the words is there. What is ? In text4
Make the search case insensitive?
Add i after the second slash in the regular expression.
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Learn how use the CAT functions in SAS to join values from multiple variables into a single value.
Find more tutorials on the SAS Users YouTube channel.