Unicode Char Equivalence Support in Browsers

Perm url with updates: http://xahlee.org/comp/unicode_browser_char_equiv.html

Unicode Char Equivalence Support in Browsers

Xah Lee, 2011-03-09

It's very nice, in Google Chrome and Safari, that if you type 3 dots “...” in the find box 【Ctrl+f】, it'll find the unicode character ellipsis “…”. Here's some other equivalences:

  • e ⟺ é
  • a ⟺ à
  • i ⟺ î
  • n ⟺ ñ
  • u ⟺ ü
  • others accented letters e.g. ÀÁÂÃÄÅÆ Ç ÈÉÊË ÌÍÎÏ ÐÑ ÒÓÔÕÖ ØÙÚÛÜÝÞß àáâãäåæç èéêë ìíîï ðñòóôõö øùúûüýþÿ
  • straight double quote ⟺ curly double quote
  • 1 ⟺ ①
  • 2 ⟺ ②
  • 2 ⟺ ③
  • ... ⟺ …
  • any char is equivalent to its fullwidth version. e.g. () [] {} vs () [] {}, and fullwidth forms of punctuations “, . ; ? !” etc.

I think some of these are based on Unicode equivalence but not all.

Note: Firefox, Opera, does not support this. It's funny that IE8 support some of them. If you type “1”, it'll find “①”, but if you type “e”, it won't find “é”. (all browsers tested are latest public versions as of 2011-03-09.) You can test by 【Ctrl+f】 right on this page.

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