@@ -26,6 +26,16 @@ describe("textDirection", () => {
       "Run the migration first. ثم شغّل الاختبارات كلها. Then deploy to staging.",
       "ltr",
     ],
+    [
+      "Arabic with inline abbreviations",
+      "هذه جملة عربية تتحدث عن e.g. React i.e. TypeScript JavaScript",
+      "rtl",
+    ],
+    [
+      "an abbreviation at a sentence boundary",
+      "This long English sentence describes the technology sector in the U.S. هذه جملة عربية. وهذه جملة عربية أخرى.",
+      "rtl",
+    ],
   ])("reads %s", (_, text, direction) => {
     expect(textDirection(text)).toBe(direction);
   });
 
@@ -4,7 +4,7 @@ export type TextDirection = "ltr" | "rtl";
 // supplementary right-to-left blocks.
 const RTL_LETTER = /[֐-ࣿיִ-﷿ﹰ-\u{10800}-\u{10FFF}\u{1E800}-\u{1EFFF}]/u;
 const LETTER = /\p{L}/u;
-const SENTENCE_END = /(?<=[.!?؟])\s+|\n+/;
+const SENTENCE_END = /(?<=[.!?؟])(?<!\b(?:e\.g|i\.e)\.)\s+|\n+/i;
 
 function majority(units: Iterable<TextDirection | undefined>): TextDirection | undefined {
   let rtl = 0;