STMPreParseEffect.cs

//Copyright (c) 2020 Kai Clavier [kaiclavier.com] Do Not Distribute
using UnityEngine;
using System.Collections;

[RequireComponent(typeof(SuperTextMesh))]
public class STMPreParseEffect : MonoBehaviour
{

    public SuperTextMesh superTextMesh;
    public string colorName = "rainbow";

    void Reset()
    {
        superTextMesh = GetComponent<SuperTextMesh>();
    }

    void OnEnable()
    {
        superTextMesh.OnPreParse += AddTag;
    }
    void OnDisable()
    {
        superTextMesh.OnPreParse -= AddTag;
    }
    void AddTag(STMTextContainer container)
    {
        //add tag to start of container text
        container.text = "<c=" + colorName + ">" + container.text;
    }
}