excel vba check if every substring in list are in string
'VBA function to check if ALL of a list of substrings is contained
'within a string:
Function AllIn(s$, ParamArray checks()) As Boolean
Dim e
For Each e In checks
If 0 = InStrB(s, e) Then Exit Function
Next
AllIn = True
End Function
'-------------------------------------------------------------------
MsgBox AllIn("abcde", "d", c, "a") '<--displays: True
MsgBox AllIn("abcde", "d", c, "z") '<--displays: False