MemberQ

MemberQ(list, pattern)

returns True if pattern matches any element of list, or False otherwise.

Examples

>> MemberQ({a, b, c}, b)
True
>> MemberQ({a, b, c}, d)
False
>> MemberQ({"a", b, f(x)}, _?NumericQ)
False
>> MemberQ(_List)({{}})
True

Implementation status

• ✅ - full supported

Github

• Implementation of MemberQ