Here are 2 workflows that contain the node CR String To Combo:

1.

Size: 15482 bytes

URL: https://github.com/Suzie1/ComfyUI_Comfyroll_CustomNodes/blob/d78b780ae43fcf8c6b7c6505e6ffb4584281ceca/workflows/Graphics/Pattern/CR_Style_Bars_demo1.json

2.

Size: 158551 bytes

URL: https://github.com/Suzie1/ComfyUI_Comfyroll_CustomNodes/blob/d78b780ae43fcf8c6b7c6505e6ffb4584281ceca/workflows/Animation/Iterative%20Demos/Legacy/CR_Animation_C4_TextScheduler_IterativeDemo_v01c.json