Hi I think the new prxmatch should work but I don't know how dataset 1 has a variable that has these type of mutations: M200V/I, M200M/A/N/K, M200V/K, M200M/K, M200I/K, K65K, K65K/A/B, K65J, M200Z dataset 2 has a list of mutations that we want to compare to: M200V/I/K, K65A/B/C, C140J So when I compare the variable in dataset 1 to the list in dataset 2. I want to say every one of the mutations in dataset 1 find a match in dataset 2 except K65K, K65J, M200Z (has to match M200 or K65, then anything after that, we just need to match any letters after the digits) Thank you in advance
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