Adjust matcher

Author: sarahchen6

gradle/java_no_deps.gradle

@@ -151,9 +151,9 @@ project.afterEvaluate {
   def testJvm = gradle.startParameter.projectProperties["testJvm"]
   def javaTestLauncher = null as Provider<JavaLauncher>
   if (testJvm) {
-    def matcher = testJvm =~ /([a-zA-Z]*)([0-9]+)/
+    def matcher = testJvm =~ /([a-zA-Z]*)([0-9]*)/
     if (!matcher.matches()) {
-      throw new GradleException("Unable to find launcher for Java '$testJvm'. It needs to match '([a-zA-Z]*)([0-9]+)'.")
+      throw new GradleException("Unable to find launcher for Java '$testJvm'. It needs to match '([a-zA-Z]*)([0-9]*)'.")
     }
     def testJvmLanguageVersion = matcher.group(2) as Integer
     def testJvmEnv = "JAVA_${testJvm}_HOME"