就是在一个文本中。可能CK出现好几次,不论它在什么位置,这个能计算出来个数么
=(len(C12) - len(replace(C12, "ck", "")) ) / 2
count(split(REPLACE(文本,"CK",",CK,"),"CK"))-1
=count(split(A1,"CK"))-1
COUNT(SPLIT("A12CKasfCK123","CK"))-1