[Pkg-rust-maintainers] Bug#926333: PCRE2 support

Martin Renold martin at log2.ch
Sat Mar 14 10:36:08 GMT 2020

I'd also like PCRE2 to be enabled. Stumbled over it because emacs/ivy's code search used the "--pcre2" switch without checking whether it was available.

Upstream provides .deb packages that have it enabled, statically linked it seems:

When building manually I had to use 'cargo build --features pcre2 --release'

* ripgrep has optional support for switching its regex engine to use PCRE2.
  Among other things, this makes it possible to use look-around and
  backreferences in your patterns, which are not supported in ripgrep's default
  regex engine. PCRE2 support can be enabled with `-P/--pcre2` (use PCRE2
  always) or `--auto-hybrid-regex` (use PCRE2 only if needed).

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