replace-re-search-function

replace-re-search-function is a variable defined in `replace.el'.
Its value is

nil

• This variable may be risky if used as a file-local variable.

Documentation:
Function to use when searching for regexps to replace.
It is used by `query-replace-regexp', `replace-regexp',
`query-replace-regexp-eval', and `map-query-replace-regexp'.
It is called with three arguments, as if it were
`re-search-forward'.