Implements material wildcards for costs #14

src/main/java/net/knarcraft/blacksmith/util/InputParsingHelper.java

@@ -44,4 +44,14 @@ public final class InputParsingHelper {
         return Enchantment.getByKey(NamespacedKey.minecraft(input.replace("-", "_")));
     }
 
+    /**
+     * Converts a material name like "*helmet" into a regular expression ".*HELMET"
+     *
+     * @param input <p>The input to RegExIfy</p>
+     * @return <p>The converted input</p>
+     */
+    public static String regExIfy(String input) {
+        return input.replace("*", ".*").toUpperCase().replace("-", "_");
+    }
+
 }