1 files changed, 47 insertions, 0 deletions
diff --git a/tests/run/ReplacementMatching.scala b/tests/run/ReplacementMatching.scala
new file mode 100644
index 000000000..370f7dc25
--- /dev/null
+++ b/tests/run/ReplacementMatching.scala
@@ -0,0 +1,47 @@
+
+
+
+import util.matching._
+
+
+
+
+object Test {
+
+  def main(args: Array[String]): Unit = {
+    replacementMatching
+    groupsMatching
+  }
+
+  def replacementMatching: Unit = {
+    val regex = """\$\{(.+?)\}""".r
+    val replaced = regex.replaceAllIn("Replacing: ${main}. And another method: ${foo}.",
+        (m: util.matching.Regex.Match) => {
+      val identifier = m.group(1)
+      identifier
+    })
+    assert(replaced == "Replacing: main. And another method: foo.")
+
+    val regex3 = """\$\{(.+?)\}""".r
+    val replaced3 = regex3.replaceSomeIn("Replacing: ${main}. And another: ${foo}.", (m: util.matching.Regex.Match) => {
+      val id = m.group(1)
+      if (id.startsWith("m")) Some(id) else None
+    })
+    assert(replaced3 == "Replacing: main. And another: ${foo}.")
+  }
+
+  def groupsMatching: Unit = {
+    val Date = """(\d+)/(\d+)/(\d+)""".r
+    for (Regex.Groups(a, b, c) <- Date findFirstMatchIn "1/1/2001 marks the start of the millenium. 31/12/2000 doesn't.") {
+      assert(a == "1")
+      assert(b == "1")
+      assert(c == "2001")
+    }
+    for (Regex.Groups(a, b, c) <- (Date findAllIn "1/1/2001 marks the start of the millenium. 31/12/2000 doesn't.").matchData) {
+      assert(a == "1" || a == "31")
+      assert(b == "1" || b == "12")
+      assert(c == "2001" || c == "2000")
+    }
+  }
+
+}