kotlin-stdlib / kotlin.text / startsWith

startsWith

Common
JVM
JS
1.0
fun String.startsWith(
    prefix: String,
    ignoreCase: Boolean = false
): Boolean
Native
1.3
fun String.startsWith(
    prefix: String,
    ignoreCase: Boolean
): Boolean

Returns true if this string starts with the specified prefix.

Common
JVM
JS
1.0
fun String.startsWith(
    prefix: String,
    startIndex: Int,
    ignoreCase: Boolean = false
): Boolean
Native
1.3
fun String.startsWith(
    prefix: String,
    startIndex: Int,
    ignoreCase: Boolean
): Boolean

Returns true if a substring of this string starting at the specified offset startIndex starts with the specified prefix.

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

Returns true if this char sequence starts with the specified character.

Common
JVM
JS
Native
1.0
fun CharSequence.startsWith(
    prefix: CharSequence,
    ignoreCase: Boolean = false
): Boolean

Returns true if this char sequence starts with the specified prefix.

Common
JVM
JS
Native
1.0
fun CharSequence.startsWith(
    prefix: CharSequence,
    startIndex: Int,
    ignoreCase: Boolean = false
): Boolean

Returns true if a substring of this char sequence starting at the specified offset startIndex starts with the specified prefix.