func strings.LastIndexAny

3 uses

	strings (current package)
		strings.go#L235: func LastIndexAny(s, chars string) int {

	go/types
		resolver.go#L741: 	if i := strings.LastIndexAny(path, `/\`); i > 0 {

	google.golang.org/protobuf/encoding/protojson
		well_known_types.go#L814: 	j := strings.LastIndexAny(s, "Z-+") // start of timezone field

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