Merge branch 'negative-yaml-tmpl' into 'master'

Negative yaml tmpl, ref #14

See merge request fmu-utilities/fmu-config!40

Author: Jan Chr. Rivenæs

src/fmu/config/configparserfmu.py

@@ -622,7 +622,7 @@ def _get_required_form(stream, template=False, ipl=False):
     def _get_tmpl_form(stream):
         """Get template form (<...> if present, not numbers)."""
 
-        pattern = "[a-zA-Z0-9.]+~"
+        pattern = "-*[a-zA-Z0-9.]+~"
 
         if isinstance(stream, list):
             logger.info("STREAM is a list object")