RegexReplace - ComfyUI Built-in Node Documentation

The RegexReplace node finds and replaces text in strings using regular expression patterns. It allows you to search for text patterns and replace them with new text, with options to control how the pattern matching works including case sensitivity, multiline matching, and limiting the number of replacements.

Inputs

Parameter	Description	Data Type	Required	Range
`string`	The input text string to search and replace within	STRING	Yes	-
`regex_pattern`	The regular expression pattern to search for in the input string	STRING	Yes	-
`replace`	The replacement text to substitute for matched patterns	STRING	Yes	-
`case_insensitive`	When enabled, makes the pattern matching ignore case differences (default: True)	BOOLEAN	No	-
`multiline`	When enabled, changes the behavior of ^ and $ to match at the start/end of each line rather than just the start/end of the entire string (default: False)	BOOLEAN	No	-
`dotall`	When enabled, the dot (.) character will match any character including newline characters. When disabled, dots won’t match newlines (default: False)	BOOLEAN	No	-
`count`	Maximum number of replacements to make. Set to 0 to replace all occurrences (default). Set to 1 to replace only the first match, 2 for the first two matches, etc. (default: 0)	INT	No	0-100

Outputs

Output Name	Description	Data Type
`output`	The modified string with the specified replacements applied	STRING

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​Inputs

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Inputs

Outputs