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RegexExtensions.kt
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RegexExtensions.kt
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/*
* Copyright 2010-2017 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.
*/
@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
@file:JvmName("RegexExtensionsJDK8Kt")
@file:kotlin.jvm.JvmPackageName("kotlin.text.jdk8")
package kotlin.text
/**
* Returns a named group with the specified [name].
*
* @return An instance of [MatchGroup] if the group with the specified [name] was matched or `null` otherwise.
* @throws [UnsupportedOperationException] if getting named groups isn't supported on the current platform.
*/
@SinceKotlin("1.2")
public operator fun MatchGroupCollection.get(name: String): MatchGroup? {
val namedGroups = this as? MatchNamedGroupCollection
?: throw UnsupportedOperationException("Retrieving groups by name is not supported on this platform.")
return namedGroups[name]
}