startsWith

fun CharSequence.startsWith(char: Char, ignoreCase: Boolean = false): Boolean(source)

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

Since Kotlin

1.0

fun CharSequence.startsWith(prefix: CharSequence, ignoreCase: Boolean = false): Boolean(source)

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

Since Kotlin

1.0

fun CharSequence.startsWith(prefix: CharSequence, startIndex: Int, ignoreCase: Boolean = false): Boolean(source)

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

Since Kotlin

1.0

expect fun String.startsWith(prefix: String, ignoreCase: Boolean = false): Boolean(source)
expect fun String.startsWith(prefix: String, startIndex: Int, ignoreCase: Boolean = false): Boolean(source)

Since Kotlin

1.0
actual fun String.startsWith(prefix: String, ignoreCase: Boolean = false): Boolean(source)

Returns true if this string starts with the specified prefix.

Since Kotlin

1.1

actual fun String.startsWith(prefix: String, startIndex: Int, ignoreCase: Boolean = false): Boolean(source)

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

Since Kotlin

1.1
actual fun String.startsWith(prefix: String, ignoreCase: Boolean = false): Boolean(source)

Returns true if this string starts with the specified prefix.

Since Kotlin

1.0

actual fun String.startsWith(prefix: String, startIndex: Int, ignoreCase: Boolean = false): Boolean(source)

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

Since Kotlin

1.0
actual fun String.startsWith(prefix: String, ignoreCase: Boolean = false): Boolean(source)

Returns true if this string starts with the specified prefix.

Since Kotlin

1.3

actual fun String.startsWith(prefix: String, startIndex: Int, ignoreCase: Boolean = false): Boolean(source)

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

Since Kotlin

1.3