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Add string-replace-fewer-backslashes feature This disables an extra round of escaping in the `string replace -r` replacement string. Currently, to add a backslash to an a or b (to "escape" it): string replace -ra '([ab])' '\\\\\\\$1' a 7 backslashes! This removes one of the layers, so now 3 or 4 works (each one escaped for the single-quotes, so pcre receives two, which it reads as one literal): string replace -ra '([ab])' '\\\\$1' a This is backwards-incompatible as replacement strings will change meaning, so we put it behind a feature flag. The name is kinda crappy, though. Fixes #5474.

2019-01-12 20:20:35 +01:00

a\\b\\c