Full Script

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Sirenix.OdinInspector;
using System.Linq;
using TMPro;
 
#region Code Information
/*
    This script is used for System Controller
    First of all we need bangunanList -> ScriptableObject List
    menuList -> Menu Prefabs
    contentGameObject -> to make the prefab as child
    instantiatedGameObject List to take notes of instantiated gameobject to destroy it later.
 
 */
#endregion
 
public class SearchSystemController : MonoBehaviour
{
 
 
    public List<Bangunan> bangunanList;
    public GameObject menuList;
    public GameObject contentGameObject;
    private List<GameObject> InstantiatedGameObject;
 
    public TMP_InputField textInput;
 
    private void Start()
    {
        InstantiatedGameObject = new List<GameObject>();
        ShowList(bangunanList);
        RefreshList();
    }
 
    private void Update()
    {
        if(Input.anyKeyDown && !textInput.Equals(""))
        {
            if (Input.GetKey(KeyCode.Mouse0) || Input.GetKey(KeyCode.Mouse1))
            {
                return;
            }
            else
            {
                DeleteList();
                Search();
            }
        }
    }
 
    public void Search() // Search by using C# contains
    {
        List<Bangunan> searchedBangunan = new List<Bangunan>();
        foreach (var item in bangunanList)
        {
 
            string nameList = (item.namaBangunan + item.namaPenuhBangunan + item.maklumatKedua + item.maklumatPertama).ToLower();
            string searchText = textInput.text.ToLower();
 
            if (nameList.Contains(searchText) == true)
            {
                searchedBangunan.Add(item);
            }
        }
 
        ShowList(searchedBangunan);
    }
 
    // ------------------------------------------------------    SHOW & DELETE SYSTEM --------------------------------------------------
    private void ShowList(List<Bangunan> bangunanChoosen)
    {
 
        foreach (var item in bangunanChoosen)
        {
            GameObject newList;
 
            newList = Instantiate(menuList, new Vector3(323.265f, -319.235f, 0), Quaternion.identity);
            newList.transform.SetParent(contentGameObject.transform);
 
            newList.transform.Find("Label_Ribbon01_Group/Label_Ribbon01/Building Name").gameObject.GetComponent<TextMeshProUGUI>().SetText(item.namaBangunan, 3.5f);
            newList.transform.Find("Building Full Name").gameObject.GetComponent<TextMeshProUGUI>().SetText(item.namaPenuhBangunan, 3.5f);
            newList.transform.Find("Course/Course List").gameObject.GetComponent<TextMeshProUGUI>().SetText(item.maklumatPertama, 3.5f);
            newList.transform.Find("Class/Class List").gameObject.GetComponent<TextMeshProUGUI>().SetText(item.maklumatKedua, 3.5f);
 
            newList.GetComponent<ButtonLerpToBuilding>().bangunan = item;
 
            InstantiatedGameObject.Add(newList);
        }
    }
 
    public void DeleteList()
    {
        if (InstantiatedGameObject.Count == 0) return;
        foreach (var item in InstantiatedGameObject)
        {
 
            Destroy(item);
        }
    }
 
    [Button("RefreshList")]
    public void RefreshList()
    {
 
        DeleteList();
        ShowList(bangunanList);
    }
 
 
}