add package crawler

crawler/MatcherGetter.java

@@ -0,0 +1,11 @@
+package crawler;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class MatcherGetter {
+    public static Matcher getMatcher(String regex, String htmlContent) {
+        Pattern p = Pattern.compile(regex);
+        return p.matcher(htmlContent);
+    }
+}