kotlin-stdlib / kotlin.text / contains

contains

Common
JVM
JS
Native
1.0
operator fun CharSequence.contains(
    other: CharSequence,
    ignoreCase: Boolean = false
): Boolean
(source)

Returns true if this char sequence contains the specified other sequence of characters as a substring.

Parameters

ignoreCase - true to ignore character case when comparing strings. By default false.

Common
JVM
JS
Native
1.0
operator fun CharSequence.contains(
    char: Char,
    ignoreCase: Boolean = false
): Boolean
(source)

Returns true if this char sequence contains the specified character char.

Parameters

ignoreCase - true to ignore character case when comparing characters. By default false.

Common
JVM
JS
Native
1.0
operator fun CharSequence.contains(regex: Regex): Boolean
(source)

Returns true if this char sequence contains at least one match of the specified regular expression regex.