chore: apply review suggestions

* pref: optimize `common` rules and matchers
* chore: rename diagrams services to short form
* chore: sort imports

packages/parser/src/language/common/matcher.ts

@@ -0,0 +1,14 @@
+/**
+ * Matches single and multi line accessible description
+ */
+export const accessibilityDescrRegex = /accDescr(?:[\t ]*:([^\n\r]*)|\s*{([^}]*)})/;
+
+/**
+ * Matches single line accessible title
+ */
+export const accessibilityTitleRegex = /accTitle[\t ]*:([^\n\r]*)/;
+
+/**
+ * Matches a single line title
+ */
+export const titleRegex = /title([\t ][^\n\r]*|)/;