Subversion repository type does not respect the regex when creating branches

Steps to replicate

1. Assume the repository is on url: http://localhost:8080/third
2. Now create http://localhost:8080/third/testing/releases/rel123 and http://localhost:8080/third/testing/branches/BAM123
3. In the branch configuration, change the subversion branches URL to http://localhost:8080/third/testing
4. Add this regex

   (releases|branches)/.*
   

5. Now push some branches to the above directories http://localhost:8080/third/testing/branches/ as an example

We will expect that the branch will be created automatically but this is not the case and trying to create the branch from the UI, bamboo will just recognize "branches" and "releases" instead of the real branches. Therefore the regex is ignored

We have validated this regex against tools like http://www.regexplanet.com/advanced/java/index.html and this is respected when using git repository type