Add support for Latin characters in emoji suggestion

src/CONST.ts

@@ -1731,8 +1731,8 @@ const CONST = {
         // Extract attachment's source from the data's html string
         ATTACHMENT_DATA: /(data-expensify-source|data-name)="([^"]+)"/g,
 
-        EMOJI_NAME: /:[\w+-]+:/g,
-        EMOJI_SUGGESTIONS: /:[a-zA-Z0-9_+-]{1,40}$/,
+        EMOJI_NAME: /:[\p{L}0-9_+-]+:/gu,
+        EMOJI_SUGGESTIONS: /:[\p{L}0-9_+-]{1,40}$/u,
         AFTER_FIRST_LINE_BREAK: /\n.*/g,
         LINE_BREAK: /\r|\n/g,
         CODE_2FA: /^\d{6}$/,

src/libs/EmojiTrie.ts

@@ -2,6 +2,7 @@ import emojis, {localeEmojis} from '@assets/emojis';
 import type {Emoji, HeaderEmoji, PickerEmoji} from '@assets/emojis/types';
 import CONST from '@src/CONST';
 import Timing from './actions/Timing';
+import StringUtils from './StringUtils';
 import Trie from './Trie';
 
 type EmojiMetaData = {
@@ -33,6 +34,10 @@ function addKeywordsToTrie(trie: Trie<EmojiMetaData>, keywords: string[], item:
     keywords.forEach((keyword) => {
         const keywordNode = trie.search(keyword);
         if (!keywordNode) {
+            const keywordWithoutAccents = StringUtils.normalizeAccents(keyword);
+            if (keywordWithoutAccents !== keyword) {
+                trie.add(keywordWithoutAccents, {suggestions: [{code: item.code, types: item.types, name}]});
+            }
             trie.add(keyword, {suggestions: [{code: item.code, types: item.types, name}]});
         } else {
             const suggestion = {code: item.code, types: item.types, name};

src/libs/GetStyledTextArray.ts

@@ -1,4 +1,5 @@
 import Str from 'expensify-common/lib/str';
+import StringUtils from './StringUtils';
 
 type StyledText = {
     text: string;
@@ -8,7 +9,9 @@ type StyledText = {
 const getStyledTextArray = (name: string, prefix: string): StyledText[] => {
     const texts = [];
     const prefixLowercase = prefix.toLowerCase();
-    const prefixLocation = name.toLowerCase().search(Str.escapeForRegExp(prefixLowercase));
+    const prefixLocation = StringUtils.normalizeAccents(name)
+        .toLowerCase()
+        .search(Str.escapeForRegExp(StringUtils.normalizeAccents(prefixLowercase)));
 
     if (prefixLocation === 0 && prefix.length === name.length) {
         texts.push({text: name, isColored: true});

src/libs/StringUtils.ts

@@ -63,6 +63,15 @@ function removeInvisibleCharacters(value: string): string {
     return result.trim();
 }
 
+/**
+ * Remove accents/diacritics
+ * @param text - The input string
+ * @returns The string with all accents/diacritics removed
+ */
+function normalizeAccents(text: string) {
+    return text.normalize('NFD').replace(/[\u0300-\u036f]/g, '');
+}
+
 /**
  *  Replace all CRLF with LF
  *  @param value - The input string
@@ -89,4 +98,4 @@ function getAcronym(string: string): string {
     return acronym;
 }
 
-export default {sanitizeString, isEmptyString, removeInvisibleCharacters, normalizeCRLF, getAcronym};
+export default {sanitizeString, isEmptyString, removeInvisibleCharacters, normalizeAccents, normalizeCRLF, getAcronym};