How to Replace Accented Characters (diacritics) with English letters in Google Sheets

How to Replace Accented Characters (diacritics) with English letters in Google Sheets

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Hey, friends today I will teach you How to Replace Accented Characters (diacritics) with English letters in Google Sheets. The Google Sheets function will convert diacritics or accented letters or characters to their simple Latin equivalent. For example, á or à will become ‘a’, ê or à will become ‘e’, and so on. so let get started with today Code snippets. Getting different problems is altogether gives a very different experience. today the Code snippets I am going to share with you is How to Replace Accented Characters (diacritics) with English letters in Google Sheets.

The REMOVE_ACCENTED function for Google Sheets will replace all accented characters in the referenced cell, like the letters è, õ, ā, ĝ and so on with their normal Latin equivalents.

Foreign accented characters in Google Sheets

To begin, duplicate the Google Sheet, go to the Tools menu, select Script Editor, and copy the entire code to your clipboard.

Now, open your own Google Sheet and paste the same code into the sheet’s Script editor. Save your work, and you should be able to use the REMOVE ACCENTED function in your own sheets now.

Input String Output string
A História de Malú e João Miguel A Historia de Malu e Joao Miguel
Símbolo de su unidad y permanencia Simbolo de su unidad y permanencia
Tomás Gutiérrez Alea Tomas Gutierrez Alea
Miguel Ángel Félix Gallardo Miguel Angel Felix Gallardo

Internally, this function employs the popular lodash library’s deburr function, which converts Latin-1 Supplement and Latin Extended-A letters to basic Latin letters while also removing any combining diacritical marks.

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Find and Replace Accented Letters in Spreadsheets

const latinRegEx = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
const comboRegEx = `[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]`;

/** Used to map Latin Unicode letters to basic Latin letters. */
const latinUnicodeLetters = {
  // Latin-1 Supplement block.
  '\xc0': 'A', '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
  '\xe0': 'a', '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
  '\xc7': 'C', '\xe7': 'c',
  '\xd0': 'D', '\xf0': 'd',
  '\xc8': 'E', '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
  '\xe8': 'e', '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
  '\xcc': 'I', '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
  '\xec': 'i', '\xed': 'i', '\xee': 'i', '\xef': 'i',
  '\xd1': 'N', '\xf1': 'n',
  '\xd2': 'O', '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
  '\xf2': 'o', '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
  '\xd9': 'U', '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
  '\xf9': 'u', '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
  '\xdd': 'Y', '\xfd': 'y', '\xff': 'y',
  '\xc6': 'Ae', '\xe6': 'ae',
  '\xde': 'Th', '\xfe': 'th',
  '\xdf': 'ss',
  // Latin Extended-A block.
  '\u0100': 'A', '\u0102': 'A', '\u0104': 'A',
  '\u0101': 'a', '\u0103': 'a', '\u0105': 'a',
  '\u0106': 'C', '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
  '\u0107': 'c', '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
  '\u010e': 'D', '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
  '\u0112': 'E', '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
  '\u0113': 'e', '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
  '\u011c': 'G', '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
  '\u011d': 'g', '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
  '\u0124': 'H', '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
  '\u0128': 'I', '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
  '\u0129': 'i', '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
  '\u0134': 'J', '\u0135': 'j',
  '\u0136': 'K', '\u0137': 'k', '\u0138': 'k',
  '\u0139': 'L', '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
  '\u013a': 'l', '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
  '\u0143': 'N', '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
  '\u0144': 'n', '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
  '\u014c': 'O', '\u014e': 'O', '\u0150': 'O',
  '\u014d': 'o', '\u014f': 'o', '\u0151': 'o',
  '\u0154': 'R', '\u0156': 'R', '\u0158': 'R',
  '\u0155': 'r', '\u0157': 'r', '\u0159': 'r',
  '\u015a': 'S', '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
  '\u015b': 's', '\u015d': 's', '\u015f': 's', '\u0161': 's',
  '\u0162': 'T', '\u0164': 'T', '\u0166': 'T',
  '\u0163': 't', '\u0165': 't', '\u0167': 't',
  '\u0168': 'U', '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
  '\u0169': 'u', '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
  '\u0174': 'W', '\u0175': 'w',
  '\u0176': 'Y', '\u0177': 'y', '\u0178': 'Y',
  '\u0179': 'Z', '\u017b': 'Z', '\u017d': 'Z',
  '\u017a': 'z', '\u017c': 'z', '\u017e': 'z',
  '\u0132': 'IJ', '\u0133': 'ij',
  '\u0152': 'Oe', '\u0153': 'oe',
  '\u0149': "'n", '\u017f': 's'
};

const basePropertyOf = (object) => (key) => object[key];
const characterMap = basePropertyOf(latinUnicodeLetters);

/**
 * Replace accented characters in Google Sheets with English letters.
 *
 * @param {string} input The input string with accented characters.
 * @return The input without accented characters.
 * @customfunction
 */
function REPLACE_ACCENTED(input) {
  if (input && typeof input === "string") {
    return input.replace(latinRegEx, characterMap).replace(comboRegEx, "");
  }
  return input;
}

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