Escape regex metacharacters in substitution string #45
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`fastmod -F 'something' '$foo.bar'` was replacing with `.bar`, not `$foo.bar` as intended. Now it works. Docs for replacement string escaping: https://docs.rs/regex/1.9.6/regex/struct.Regex.html#replacement-string-syntax
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fastmod -F 'something' '$foo.bar'was replacing with
.bar, not$foo.baras intended. Now it works.Docs for replacement string escaping:
https://docs.rs/regex/1.9.6/regex/struct.Regex.html#replacement-string-syntax