This worked.  I just had to remove the quotes around the strings since I was not looking for them. regex FIELD1="(ABC\(Z) | (DEF\(Z) | (GHIJK\(Z) | (LMNOP\(Z)" Thank you  ... View more

Thank you but I do not think this rex accomplishes what I need or perhaps I am reading it wrong?  My regex knowledge is not strong. I only wish to keep records where FIELD1 contains one of the 4 strings.   In the example below only the first two records should be kept because they match on ABC(Z and GHIJK(Z.  The third record would not match. Examples of  FIELD1:   Record 1: 09162021 CMDONE ABC(Z123456) MORE TEXT Record 2: 09152021 CMD TWO GHIJK(ZABC123) MORE TEXT Record 3: 09162021 CMD3 LMNO(A1234BD) MORE TEXT   ... View more