data _null_;
infile datalines truncover;
if _N_=1 then pattern=prxparse("/ERROR:|message/");
retain pattern;
input test $80.;
position=PRXMATCH(pattern,test);
put test= position=;
datalines;
NOTE: One or more lines were truncated.
Error: This is a home-made error message using lowercase.
ERROR: SAS stopped processing due to errors.
ERROR 180-322: Statement used out of order.
ERROR 22-7: Invalid option name S.
ERROR: Libname _IMEX_ is not assigned.