Function FindUnknownPlaceholders

pkg/postgres/environment.go:96–105

FindUnknownPlaceholders returns the list of unrecognized ${...} placeholders found in the given value. Escaped placeholders ($${...}) are ignored.

(value string)

// FindUnknownPlaceholders returns the list of unrecognized ${...} placeholders
// found in the given value. Escaped placeholders ($${...}) are ignored.
func FindUnknownPlaceholders(value string) []string {
	var unknown []string
	for _, match := range envPlaceholderRegexp.FindAllStringSubmatch(value, -1) {
		// Only odd dollar counts are real placeholders.
		if len(match[1])%2 == 1 && !knownPlaceholders[match[2]] {
			unknown = append(unknown, "${"+match[2]+"}")
		}
	}
	return unknown
}