how to find gameobject with tag in unity code example

Example 1: unity find objects with tag

//Find a single game object
GameObject.FindWithTag("TagName");

//Find multiple game objects from tag 
GameObject.FindGameObjectsWithTag("TagName");

Example 2: unity get all by tag

GameObject[] arrayGo = GameObject.FindGameObjectsWithTag("myTag");

Example 3: find gameobject with tag

GameObject.FindWithTag("Enemy");