make sure regex read all the way to the end of line (#3531)

cmake/Modules/git_tags.cmake

@@ -43,10 +43,10 @@ function(NGRAPH_GET_TAG_OF_CURRENT_HASH)
 
     if (NOT ${TAG_LIST} STREQUAL "")
         # first look for vX.Y.Z release tag
-        string(REGEX MATCH "${NGRAPH_CURRENT_HASH}[\t ]+refs/tags/v([0-9?]+)\\.([0-9?]+)\\.([0-9?]+)" TAG ${TAG_LIST})
+        string(REGEX MATCH "${NGRAPH_CURRENT_HASH}[\t ]+refs/tags/v([0-9?]+)\\.([0-9?]+)\\.([0-9?]+)$" TAG ${TAG_LIST})
         if ("${TAG}" STREQUAL "")
             # release tag not found so now look for vX.Y.Z-rc.N tag
-            string(REGEX MATCH "${NGRAPH_CURRENT_HASH}[\t ]+refs/tags/v([0-9?]+)\\.([0-9?]+)\\.([0-9?]+)-(rc\\.[0-9?]+)" TAG ${TAG_LIST})
+            string(REGEX MATCH "${NGRAPH_CURRENT_HASH}[\t ]+refs/tags/v([0-9?]+)\\.([0-9?]+)\\.([0-9?]+)-(rc\\.[0-9?]+)$" TAG ${TAG_LIST})
         endif()
         set(STATUS ${TAG})
         if (NOT "${TAG}" STREQUAL "")
@@ -79,6 +79,7 @@ function(NGRAPH_GET_VERSION_LABEL)
     if ("${NGRAPH_CURRENT_RELEASE_TAG}" STREQUAL "")
         NGRAPH_GET_CURRENT_HASH()
         NGRAPH_GET_MOST_RECENT_TAG()
+        message(STATUS "Current hash ${NGRAPH_CURRENT_HASH}")
         string(SUBSTRING "${NGRAPH_CURRENT_HASH}" 0 7 HASH)
         if (NOT ${NGRAPH_MOST_RECENT_RELEASE_TAG} STREQUAL "")
             set(NGRAPH_VERSION_LABEL "${NGRAPH_MOST_RECENT_RELEASE_TAG}+${HASH}" PARENT_SCOPE)