Regex Matching in Overlays

config.yml

metadata:
  name: contour-certgen
  annotations:

overlay.yml

#@ load("@ytt:overlay", "overlay")
#@ load("@ytt:regexp", "regexp")

#@ def regex_match(x, l, r):
#@ if not ("metadata" in l and "name" in l["metadata"]):
#@   return False
#@ end
#@  return regexp.match("contour-certgen-*", l["metadata"]["name"])
#@ end

#@overlay/match by=regex_match, expects="0+"
---
metadata:
  #@overlay/remove
  annotations: