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patch/gist:3935008

Created October 22, 2012 22:21
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\X regex history
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gistfile1.md

History of \X in regex engines:

  • 2000-05-23 — Perl 5.6 — introduced
  • 2003-04 — Unicode 4.0 — UAX #29: EGC defined
  • 2004-09-14 — PCRE 5.0 — introduced
  • 2010-04-12 — Perl 5.12 — EGC implemented
  • 2012-01-31 — Unicode 6.1 — EGC changes: Thai, Lao
  • 2012-05-20 — Perl 5.16 — Unicode 6.1 support

Key:

  • EGC = Extended Grapheme Cluster
  • UAX = Unicode Standard Annex
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