I have a vector composed of entries such as "ZZZ1Z01Z0ZZ0", "1001ZZ0Z00Z0", and so on, and I want to subset this vector based on conditions such as:I have a vector composed of entries such as "ZZ
I have a vector composed of entries such as "ZZZ1Z01Z0ZZ0", "1001ZZ0Z00Z0", and so on, and I want to subset this vector based on conditions such as:I have a vector composed of entries such as "ZZ