cst/inv: Allow uuids in segment expression match

Since the segment prefix has been changed recently to either contain
cluster uuid or the regular hash, the path matching expression is
adjusted to also accept UUID.

src/v/cloud_storage/inventory/inv_consumer.cc

@@ -34,8 +34,9 @@ namespace ranges = std::ranges;
 namespace views = std::views;
 
 namespace {
-// hash-string/ns/tp/partition_rev/.*
-const RE2 path_expr{"^[[:xdigit:]]+/(.*?)/(.*?)/(\\d+)_\\d+/.*?"};
+// hash-string/ns/tp/partition_rev/.* OR
+// cluster-uuid/ns/tp/partition_rev/.*
+const RE2 path_expr{"^[[:xdigit:]-]+/(.*?)/(.*?)/(\\d+)_\\d+/.*?"};
 
 // Holds hashes for a given NTP in memory before they will be flushed to disk.
 // One of these structures is held per NTP in a map keyed by the NTP itself.

src/v/cloud_storage/inventory/tests/inv_consumer_tests.cc

@@ -43,6 +43,8 @@ TEST(Consumer, ParseNTPFromPath) {
     std::vector<p> test_data{
       {"a0a6eeb8/kafka/topic-x/999_24/178-188-1574137-1-v1.log.1",
        std::make_optional(make_ntp("kafka", "topic-x", 999))},
+      {"d10492a6-2408-418e-9b6b-051697c5255b/k/t/1_24/---",
+       std::make_optional(make_ntp("k", "t", 1))},
       {"a/k/t/1_24/---", std::make_optional(make_ntp("k", "t", 1))},
       // Bad hex m
       {"m/k/t/1_24/---", std::nullopt},