Between

Between[x, {min, max}] is equivalent to min ≤ x ≤ max.

Between[{min, max}] is an operator form that can be applied to an expression.

Examples

Check if value is in range:

Between[5, {0, 10}]
(* True *)

Between[15, {0, 10}]
(* False *)

Operator form:

Select[{-5, 0, 5, 10, 15}, Between[{0, 10}]]
(* {0, 5, 10} *)

Please visit the official Wolfram Language Reference for more details.