Restore kotlin-stdlib-jre7/8 libraries

libraries/stdlib/jre8/test/text/RegexTest.kt

@@ -0,0 +1,42 @@
+/*
+ * 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.
+ */
+
+package kotlin.text.test
+
+import org.junit.Test
+import kotlin.test.*
+
+class RegexTest {
+    @Test fun namedGroups() {
+        val input = "1a 2b 3c"
+        val regex = "(?<num>\\d)(?<liter>\\w)".toRegex()
+
+        val matches = regex.findAll(input).toList()
+        assertTrue(matches.all { it.groups.size == 3 })
+        val m1 = matches[0]
+
+        assertEquals("1", m1.groups["num"]?.value)
+        assertEquals(0..0, m1.groups["num"]?.range)
+        assertEquals("a", m1.groups["liter"]?.value)
+        assertEquals(1..1, m1.groups["liter"]?.range)
+
+        val m2 = matches[1]
+        assertEquals("2", m2.groups["num"]?.value)
+        assertEquals(3..3, m2.groups["num"]?.range)
+        assertEquals("b", m2.groups["liter"]?.value)
+        assertEquals(4..4, m2.groups["liter"]?.range)
+    }
+}