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Jan Beich authored
BSD regex library doesn't support extended RE escapes (e.g. \+) and shorthand character classes (e.g. \s, \S) and SVR4-style word delimiters[1] (on DragonFly and NetBSD). Both GNU and BSD sed support -E and -r to enable extended RE but OS X still lacks -r. [1] https://www.illumos.org/issues/516 Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com> Tested-by: Eric Engestrom <eric.engestrom@imgtec.com> (GNU sed)
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