const google.golang.org/grpc/internal/binarylog.optionalLengthRegexpStr

5 uses

	google.golang.org/grpc/internal/binarylog (current package)
		env_config.go#L128: 	optionalLengthRegexpStr      = `(?::(\d+))?` // Optional ":123".
		env_config.go#L129: 	headerConfigRegexpStr        = `^{h` + optionalLengthRegexpStr + `}$`
		env_config.go#L130: 	messageConfigRegexpStr       = `^{m` + optionalLengthRegexpStr + `}$`
		env_config.go#L131: 	headerMessageConfigRegexpStr = `^{h` + optionalLengthRegexpStr + `;m` + optionalLengthRegexpStr + `}$`