core.char.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kotlin.text
// actually \s is enough to match all whitespace, but \xA0 added because of different regexp behavior of Rhino used in Selenium tests
public fun Char.isWhitespace(): Boolean = toString().matches("[\\s\\xA0]")
@native public fun Char.toLowerCase(): Char = noImpl
@native public fun Char.toUpperCase(): Char = noImpl
/**
* Returns `true` if this character is a Unicode high-surrogate code unit (also known as leading-surrogate code unit).
*/
public fun Char.isHighSurrogate(): Boolean = this in Char.MIN_HIGH_SURROGATE..Char.MAX_HIGH_SURROGATE
/**
* Returns `true` if this character is a Unicode low-surrogate code unit (also known as trailing-surrogate code unit).
*/
public fun Char.isLowSurrogate(): Boolean = this in Char.MIN_LOW_SURROGATE..Char.MAX_LOW_SURROGATE