Write Brief: Add alternative apostrophe char to spelling mistakes reg…

…ex (#40395)

* add alternative apostrophe char to regex

* changelog

* also strip apostrophes from the end

projects/plugins/jetpack/changelog/fix-jetpack-ai-write-brief-apostrophe

@@ -0,0 +1,4 @@
+Significance: patch
+Type: other
+
+Write Brief: Add alternative apostroph char to spelling mistakes regex

projects/plugins/jetpack/extensions/plugins/ai-assistant-plugin/components/breve/features/spelling-mistakes/index.ts

@@ -132,9 +132,9 @@ export default function spellingMistakes( text: string ): Array< HighlightedText
 	// \p{M} matches any Unicode mark (combining characters)
 	// The regex has three main parts:
 	// 1. [@#+$/]{0,1} - Optionally matches a single special character at the start
-	// 2. [\p{L}\p{M}\p{N}'-]+ - Matches one or more letters, marks, numbers, apostrophes, or hyphens
-	// 3. (?:\/[\p{L}\p{M}\p{N}'-]+)* - Optionally matches additional parts separated by slashes
-	const wordRegex = new RegExp( /[@#+$/]{0,1}[\p{L}\p{M}\p{N}'-]+(?:\/[\p{L}\p{M}\p{N}'-]+)*/gu );
+	// 2. [\p{L}\p{M}\p{N}'’-] - Matches one or more letters, marks, numbers, apostrophes, or hyphens
+	// 3. (?:\/[\p{L}\p{M}\p{N}'’-]+)* - Optionally matches additional parts separated by slashes
+	const wordRegex = new RegExp( /[@#+$/]{0,1}[\p{L}\p{M}\p{N}'’-]+(?:\/[\p{L}\p{M}\p{N}'’-]+)*/gu );
 	const matches = Array.from( text.matchAll( wordRegex ) );
 
 	matches.forEach( match => {
@@ -155,8 +155,8 @@ export default function spellingMistakes( text: string ): Array< HighlightedText
 		const subWords = word.split( /[-/]/ );
 
 		subWords.forEach( subWord => {
-			// remove single quotes from beginning/end
-			subWord = subWord.replace( /^'+|'+$/g, '' );
+			// remove single quotes from beginning/end and apostrophes from the end
+			subWord = subWord.replace( /^'+|['’]+$/g, '' );
 
 			if ( ! spellChecker.correct( subWord ) ) {
 				const subWordStartIndex = startIndex + word.indexOf( subWord );