tailscale/derp/mesh_key.go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause

package derp

import (
	"regexp"
)

var (
	// ValidMeshKey is a regular expression that matches a valid mesh key,
	// which must be a 64-character hexadecimal string (lowercase only).
	ValidMeshKey = regexp.MustCompile(`^[0-9a-f]{64}$`)
)