StringSubstring - ComfyUI Built-in Node Documentation

The StringSubstring node extracts a portion of text from a larger string. It takes a starting position and ending position to define the section you want to extract, then returns the text between those two positions.

Inputs

Parameter	Description	Data Type	Required	Range
`string`	The input text string to extract from. Supports multi-line text.	STRING	Yes	-
`start`	The starting position index for the substring. The first character is at index 0.	INT	Yes	-
`end`	The ending position index for the substring. The character at this index is not included in the result.	INT	Yes	-

Outputs

Output Name	Description	Data Type
`output`	The extracted substring from the input text, containing all characters from the `start` position up to (but not including) the `end` position.	STRING

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StringReplace - ComfyUI Built-in Node Documentation

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