diff --git a/Library/Homebrew/livecheck/livecheck.rb b/Library/Homebrew/livecheck/livecheck.rb
index b2b1f03570..bccbf45c51 100644
--- a/Library/Homebrew/livecheck/livecheck.rb
+++ b/Library/Homebrew/livecheck/livecheck.rb
@@ -626,13 +626,10 @@ module Homebrew
         end
 
         if livecheck_strategy.present?
-          if livecheck_strategy == :page_match && (livecheck_regex.blank? && livecheck_strategy_block.blank?)
-            odebug "#{strategy_name} strategy requires a regex or block"
-            next
-          elsif livecheck_url.blank?
+          if livecheck_url.blank?
             odebug "#{strategy_name} strategy requires a URL"
             next
-          elsif strategies.exclude?(strategy)
+          elsif livecheck_strategy != :page_match && strategies.exclude?(strategy)
             odebug "#{strategy_name} strategy does not apply to this URL"
             next
           end
diff --git a/Library/Homebrew/livecheck/strategy/page_match.rb b/Library/Homebrew/livecheck/strategy/page_match.rb
index d4f57d6b0a..7ef3735636 100644
--- a/Library/Homebrew/livecheck/strategy/page_match.rb
+++ b/Library/Homebrew/livecheck/strategy/page_match.rb
@@ -90,6 +90,10 @@ module Homebrew
           ).returns(T::Hash[Symbol, T.untyped])
         }
         def self.find_versions(url:, regex: nil, provided_content: nil, **_unused, &block)
+          if regex.blank? && block.blank?
+            raise ArgumentError, "#{T.must(name).demodulize} requires a regex or `strategy` block"
+          end
+
           match_data = { matches: {}, regex: regex, url: url }
           return match_data if url.blank? || (regex.blank? && block.blank?)