Make link text regexp non-greedy (microsoft#165867)

Fixes microsoft#163081

Author: mjbvz

src/vs/base/common/linkedText.ts

@@ -23,7 +23,7 @@ export class LinkedText {
 	}
 }
 
-const LINK_REGEX = /\[([^\]]+)\]\(((?:https?:\/\/|command:|file:)[^\)\s]+)(?: ("|')([^\3]+)(\3))?\)/gi;
+const LINK_REGEX = /\[([^\]]+)\]\(((?:https?:\/\/|command:|file:)[^\)\s]+)(?: (["'])(.+?)(\3))?\)/gi;
 
 export function parseLinkedText(text: string): LinkedText {
 	const result: LinkedTextNode[] = [];

src/vs/base/test/common/linkedText.test.ts

@@ -70,4 +70,14 @@ suite('LinkedText', () => {
 			'...'
 		]);
 	});
+
+	test('Should match non-greedily', () => {
+		assert.deepStrictEqual(parseLinkedText('a [link text 1](http://link.href "title1") b [link text 2](http://link.href "title2") c').nodes, [
+			'a ',
+			{ label: 'link text 1', href: 'http://link.href', title: 'title1' },
+			' b ',
+			{ label: 'link text 2', href: 'http://link.href', title: 'title2' },
+			' c',
+		]);
+	});
 });