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CurrencyParser.java

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+import java.util.regex.*;
+
+public class CurrencyParser {
+    public static double parseUSD(String html) {
+        Pattern pattern = Pattern.compile(
+                "<td>USD</td>\\s*" +
+                        "<td>1</td>\\s*" +
+                        "<td>Доллар США</td>\\s*" +
+                        "<td>([0-9,]+)</td>",
+                Pattern.DOTALL | Pattern.CASE_INSENSITIVE);
+
+        Matcher matcher = pattern.matcher(html);
+
+        if (matcher.find()) {
+            String rateStr = matcher.group(1).replace(',', '.');
+            try {
+                return Double.parseDouble(rateStr);
+            } catch (NumberFormatException e) {
+                System.err.println("Ошибка парсинга числа: " + matcher.group(1));
+            }
+        }
+
+        return -1;
+    }
+}