[3.7] bpo-32614: Modify re examples to use a raw string to prevent warning (GH-5265)#5499

terryjreedy merged 1 commit intopython:3.7python/cpython:3.7from

miss-islington:backport-6677142-3.7miss-islington/cpython:backport-6677142-3.7Copy head branch name to clipboard