code: func removeLoggingInfo(line string) string {
  	if match := logInfoRE.FindStringIndex(line); match != nil {
  		return line[match[1]:]
  	}
  	return line
  }
docs: // removeLoggingInfo detects and removes log prefix entries generated
  // by the glog package. If no logging prefix is detected, the string
  // is returned unmodified.