workflow-templates-broken-zap-2026-06-08/site/knowledge/nodes/custom/ComfyUI-Custom-Scripts/RegexReplace.md

RegexReplace

Category: utils/string

Display Name: Regex Replace

Also known as: pattern replace, find and replace, substitution

Description

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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	Type	Default	Description
string	String	—
regex_pattern	String	—
replace	String	—
case_insensitive	Boolean	True
multiline	Boolean	False
dotall	Boolean	False
count	Int	0

Outputs

Output	Type
),
]
)

@classmethod
def execute(cls, string, regex_pattern, replace, case_insensitive=True, multiline=False, dotall=False, count=0):
    flags = 0

    if case_insensitive:
        flags |= re.IGNORECASE
    if multiline:
        flags |= re.MULTILINE
    if dotall:
        flags |= re.DOTALL
    result = re.sub(regex_pattern, replace, string, count=count, flags=flags)
    return io.NodeOutput(result | String |

Source: comfy_extras/nodes_string.py

Used in 8 template(s)