ComfyUI Combine string template
A ComfyUI custom node that performs positional placeholder substitution on a template string.
Author a template with $0, $1, $2, … placeholders and the node replaces each with the matching connected string input.
Install
Clone into your ComfyUI custom_nodes directory:
cd ComfyUI/custom_nodes
git clone https://github.com/SergeBekenkamp/ComfyUI-Combine-Strings-Template.git comfyui_replace_string_literals
Restart ComfyUI. No extra dependencies.
Node: Combine string template
- Category:
utils/string - Search aliases: template, format, interpolate, substitute, placeholder, string format,
$0
Inputs
| Input | Type | Notes |
|---|---|---|
template |
string (multiline) | The template text. Default $0. |
strings |
autogrow string sockets |
Output
| Output | Type |
|---|---|
| (string) | The template with placeholders substituted. |
Placeholder syntax
Reference connected string inputs by index:
$N— bare form, e.g.$0,$1,$10${N}— braced form, e.g.${0},${1}(use when a digit follows, e.g.${1}000)
Index N maps to socket stringN. Indices are greedy: $10 means index 10, not $1 followed by 0.