docs: Improve replace
and replace_all
docstring explanation of the "$" character with reference to capture groups (vs use as a literal)
#19529
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Closes #19527 (and #19523).
The explanation relating to use of "$" (as part of a capture group reference vs use as a literal in the replacement value) was a little ambiguous/incomplete. Have made the explanation (given in the "Notes" section) clearer, with an illustrative example for each
replace
andreplace_all
function.Updated docs, example: