붙여넣기 시 url만 추출 기능 추가

src/components/SearchInputForm.tsx

@@ -18,6 +18,23 @@ const isValidUrl = (string: string): boolean => {
   }
 };
 
+// URL 형태로 판단되는 입력: 프로토콜/www. 시작 또는 도메인 형태(naver.me/xxx 등)
+const isUrlLike = (value: string): boolean => {
+  const trimmed = value.trim();
+  return /^(https?:\/\/|www\.)/i.test(trimmed)
+    || /^[a-z0-9-]+(\.[a-z0-9-]+)+([/?#]|$)/i.test(trimmed);
+};
+
+const sanitizeUrlInput = (value: string): string => {
+  return value.replace(/[^\x00-\x7F]/g, '');
+};
+
+// 텍스트 안에 포함된 첫 번째 URL을 추출 (없으면 null)
+const extractUrl = (text: string): string | null => {
+  const match = text.match(/(https?:\/\/|www\.)[^\s]+/i);
+  return match ? match[0] : null;
+};
+
 interface SearchInputFormProps {
   onAnalyze?: (value: string, type: SearchType) => void;
   onAutocomplete?: (data: AutocompleteRequest) => void;
@@ -142,6 +159,47 @@ const SearchInputForm: React.FC<SearchInputFormProps> = ({
     }
   };
 
+  const applyInputChange = (value: string) => {
+    setInputValue(value);
+    setSelectedItem(null);
+    setHighlightedIndex(-1);
+    hideOnInput(value);
+    if (localError) setLocalError('');
+    if (debounceRef.current) clearTimeout(debounceRef.current);
+    if (isValidUrl(value)) {
+      setAutocompleteResults([]);
+      setShowAutocomplete(false);
+    } else {
+      debounceRef.current = setTimeout(() => handleAutocompleteSearch(value), 300);
+    }
+  };
+
+  const handlePaste = (e: React.ClipboardEvent<HTMLInputElement>) => {
+    const pastedText = e.clipboardData.getData('text');
+
+    // 붙여넣은 텍스트에 URL이 포함되어 있고 URL 외 다른 텍스트도 있으면 URL만 추출해서 입력창에 넣기
+    const extracted = extractUrl(pastedText);
+    if (extracted && extracted !== pastedText.trim()) {
+      e.preventDefault();
+      applyInputChange(sanitizeUrlInput(extracted));
+      return;
+    }
+
+    const input = e.currentTarget;
+    const start = input.selectionStart ?? inputValue.length;
+    const end = input.selectionEnd ?? inputValue.length;
+    const merged = inputValue.slice(0, start) + pastedText + inputValue.slice(end);
+
+    // 붙여넣은 후 완성될 전체 값이 URL 형태일 때만 비영문 문자 제거
+    if (!isUrlLike(merged)) return;
+
+    const sanitized = sanitizeUrlInput(merged);
+    if (sanitized === merged) return;
+
+    e.preventDefault();
+    applyInputChange(sanitized);
+  };
+
   const handleManualButtonClick = () => {
     if (onManualButtonClick) {
       onManualButtonClick();
@@ -169,21 +227,8 @@ const SearchInputForm: React.FC<SearchInputFormProps> = ({
           <input
             type="text"
             value={inputValue}
-            onChange={(e) => {
-              const value = e.target.value;
-              setInputValue(value);
-              setSelectedItem(null);
-              setHighlightedIndex(-1);
-              hideOnInput(value);
-              if (localError) setLocalError('');
-              if (debounceRef.current) clearTimeout(debounceRef.current);
-              if (isValidUrl(value)) {
-                setAutocompleteResults([]);
-                setShowAutocomplete(false);
-              } else {
-                debounceRef.current = setTimeout(() => handleAutocompleteSearch(value), 300);
-              }
-            }}
+            onChange={(e) => applyInputChange(e.target.value)}
+            onPaste={handlePaste}
             onFocus={() => {
               setIsFocused(true);
               if (autocompleteResults.length > 0) setShowAutocomplete(true);