SAS macros: regular expression related

reReplace

%tq84_reReplace is a wrapper around prxchange.

%macro tq84_reReplace(src, pat, repl);
  %sysfunc(prxchange(s/&pat/&repl/, -1, &src))
%mend  tq84_reReplace;

Using %tq84_reReplace:

%put %tq84_reReplace(foo 42 bar 99 baz, \d+, #); /* foo # bar # baz */