List.Contains

Syntax

List.Contains(
    list as list,
    value as any,
    optional equationCriteria as any
) as logical

About

Indicates whether the list contains the specified value. Returns true if the value is found in the list, false otherwise.

• list: The list to search.
• value: The value to search for in the list.
• equationCriteria: (Optional) The comparer used to determine if two values are equal.

Example 1

Determine if the list {1, 2, 3, 4, 5} contains 3.

Usage

List.Contains({1, 2, 3, 4, 5}, 3)

Output

true

Example 2

Determine if the list {1, 2, 3, 4, 5} contains 6.

Usage

List.Contains({1, 2, 3, 4, 5}, 6)

Output

false

Example 3

Ignoring case, determine if the list contains "rhubarb".

Usage

List.Contains({"Pears", "Bananas", "Rhubarb", "Peaches"},
    "rhubarb",
    Comparer.OrdinalIgnoreCase
)

Output

true

Example 4

Determine if the list contains the date April 8, 2022.

Usage

let
    Source = {#date(2024, 2, 23), #date(2023, 12, 2), #date(2022, 4, 8), #date(2021, 7, 6)},
    ContainsDate = List.Contains(Source, Date.From("4/8/2022"))
in
    ContainsDate

Output

true

Related content

Equation criteria