StringConcatenate - ComfyUI Built-in Node Documentation

Complete documentation for the StringConcatenate node in ComfyUI. Learn its inputs, outputs, parameters and usage.

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The StringConcatenate node combines two text strings into one by joining them with a specified delimiter. It takes two input strings and a delimiter character or string, then outputs a single string where the two inputs are connected with the delimiter placed between them.

Inputs

Parameter	Data Type	Required	Range	Description
string_a	STRING	Yes	-	The first text string to concatenate
string_b	STRING	Yes	-	The second text string to concatenate
delimiter	STRING	No	-	The character or string to insert between the two input strings (default: empty string)

Outputs

Output Name	Data Type	Description
output	STRING	The combined string with the delimiter inserted between string_a and string_b