Merge pull request #1306 from nshcr/fix-yaml-title-regex

fix: correct regex pattern for title matching in yaml-title rule

Author: pjkaufman

__tests__/yaml-title.test.ts

@@ -357,5 +357,22 @@ ruleTest({
         # [test \#4](github.com/platers/obsidian-linter)
       `,
     },
+    {
+      testName: 'Only matches and replaces the correct title key, not similar keys',
+      before: dedent`
+        ---
+        title2: ShouldNotChange
+        title: ShouldChange
+        ---
+        # Hello world
+      `,
+      after: dedent`
+        ---
+        title2: ShouldNotChange
+        title: Hello world
+        ---
+        # Hello world
+      `,
+    },
   ],
 });

src/rules/yaml-title.ts

@@ -51,7 +51,7 @@ export default class YamlTitle extends RuleBuilder<YamlTitleOptions> {
     title = escapeStringIfNecessaryAndPossible(title, options.defaultEscapeCharacter);
 
     return formatYAML(text, (text) => {
-      const title_match_str = `\n${options.titleKey}.*\n`;
+      const title_match_str = `\n${options.titleKey}:.*\n`;
       const title_match = new RegExp(title_match_str);
       if (title_match.test(text)) {
         text = text.replace(