This custom node provides the capability to manipulate multiple string inputs.
https://github.com/pythongosssss/ComfyUI-Custom-Scripts
ComfyUI/custom_nodes/
directory.git clone https://github.com/pythongosssss/ComfyUI-Custom-Scripts.git
Then Proceed with
git clone https://github.com/wolfden/ComfyUi_String_Function_Tree.git
This command clones the repository into your ComfyUI/custom_nodes/
directory. You should now be able to access and use the nodes from this repository.
After restart you should see a new menu under the utils submenu called String Function Tree - click on it and a new node will appear in your workflow