Names: stray quotes, single quotes, hosts, bracketed names; dates, repeats

From the first corpus sweep (183 ranges):
- A stray quote took the last quote pair ('"x.mp3" "Album_BY_WaRLoRD',
  '"x.nfo" " yEnc', '"x.nzb" yEnc"'): the last quoted part with an
  extension is the name. Each file was a release of its own.
- A single-quoted name at the end ("… [001/106] 'You, Me And Dupree.nfo'"),
  not the host before it (www.x2l.nl).
- Text ending in a host ("… www.libranews.nl") is no file name; a name in
  brackets comes first ("[01/77][LIBRATEAM_M2219009.par2]",
  "-^-[Mnozil Brass - Seven.nzb]-^-").
- A leading date is no item number ("09-30-2008_BAK_JRS.r00": a daily
  show's 32,621 files were one release under the poster's tag).
- The file name repeated elsewhere in the subject goes too
  ("(NELET11.par2) [01/58] - "NELET11.par2"").

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/headers/subject.ts

@@ -37,11 +37,17 @@ const EXTENSION = /[^.\s]\.[A-Za-z0-9]{2,4}$/
  */
 export function nameBesideQuotes(quoted: string, beforeCounter: string): string | null {
   if (EXTENSION.test(quoted)) return null
+  // A stray quote took the last pair ("(01/26) "01 Time Machine.mp3" "Silicon Dream_BY_WaRLoRD yEnc",
+  // "… "x.nfo" " yEnc", "… "x.nzb" yEnc""): the last quoted part that is a file name.
+  const named = [...beforeCounter.matchAll(/"([^"]*)"/g)].map((m) => m[1]).filter((q) => EXTENSION.test(q))
+  if (named.length > 0) return named.at(-1)!
   const name = unquotedName(beforeCounter.replace(/"[^"]*"/g, ' '))
   return name && EXTENSION.test(name) ? name : null
 }
 
 const IMAGE_NAME = /\.(jpe?g|png|gif|bmp|webp|tiff?)$/i
+/** A host ("www.libranews.nl", "www.x2l.nl"): its ".nl" is no extension. */
+const HOST = /www\./i
 
 export function unquotedName(beforeCounter: string): string | null {
   let text = beforeCounter.trimEnd()
@@ -59,6 +65,9 @@ export function unquotedName(beforeCounter: string): string | null {
     const word = before.slice(before.lastIndexOf(' ') + 1)
     return EXTENSION.test(word) ? word : null
   }
+  // A single-quoted name at the end ("xlady post You, Me And Dupree www.x2l.nl [001/106] 'You, Me And Dupree.nfo'").
+  const single = /'([^']*[^.\s']\.[A-Za-z0-9]{2,4})'$/.exec(text)
+  if (single) return single[1]
   if (EXTENSION.test(text)) {
     const bracket = text.lastIndexOf('] ')
     // A track or part number ("Album - CD2 - 07 - Artist - Title.mp3"): the name starts there, so the rest
@@ -76,9 +85,13 @@ export function unquotedName(beforeCounter: string): string | null {
       const last = name.slice(space + 1)
       if (/\d$/.test(name.slice(0, space).trimEnd()) && !last.startsWith('(')) return last
     }
-    return name && EXTENSION.test(name) ? name : null
+    // Ending in a host is no file name: the one in brackets or a word follows.
+    if (!HOST.test(name)) return name && EXTENSION.test(name) ? name : null
   }
-  for (const word of text.split(' ')) if (EXTENSION.test(word)) return word
+  // A name in brackets ("[01/77][LIBRATEAM_M2219009.par2] … www.libranews.nl", "-^-[Mnozil Brass - Seven.nzb]-^-").
+  const bracketed = [...text.matchAll(/\[([^[\]]*[^.\s[\]]\.[A-Za-z0-9]{2,4})\]/g)].at(-1)
+  if (bracketed) return bracketed[1]
+  for (const word of text.split(' ')) if (EXTENSION.test(word) && !HOST.test(word)) return word
   return null
 }
 const FILE_COUNTER = /\[(\d+)\/(\d+)\]/