inline fun CharSequence.trimStart(
    predicate: (Char) -> Boolean
): CharSequence

Returns a sub sequence of this char sequence having leading characters matching the predicate trimmed.

inline fun String.trimStart(
    predicate: (Char) -> Boolean
): String

Returns a string with leading characters matching the predicate trimmed.

fun CharSequence.trimStart(vararg chars: Char): CharSequence

Returns a sub sequence of this char sequence having leading and trailing characters from the chars array trimmed.

fun String.trimStart(vararg chars: Char): String

Returns a string with leading and trailing characters from the chars array trimmed.

fun CharSequence.trimStart(): CharSequence

Returns a sub sequence of this char sequence having leading whitespace removed.

inline fun String.trimStart(): String

Returns a string with leading whitespace removed.