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@rbxts/expect > Assertion > substring

Assertion.substring() method​

Asserts that the string value contains the string str.

Signature:

substring(str: string): Assertion<T>;

Parameters​

Parameter

Type

Description

str

string

A string that should be within the value.

Returns:

Assertion<T>

Example​

expect("daymon").to.have.the.substring("day");