text: import re
  
  def Filter(**kargs):
      key = kargs['key']
      pattern = re.compile(kargs['pattern'])
      replace = kargs['replace']
      def filt(data, sr, sctx, sccol, matches):
          for m in matches:
              if key in m:
                  m[key] = pattern.sub(replace, m[key])
          return matches
      return filt
  