→
MatchQ
/
Reference of Built-in Symbols
/
Testing Expressions
/
Expression Tests
/
ListQ
/
ListQ
WMA link
ListQ
[
expr
]
tests whether
expr
is a
List
.
ListQ[{1, 2, 3}]
ListQ[{{1, 2}, {3, 4}}]
ListQ[x]
→
MatchQ