remove non-alpabet symbols from package search

GitOrigin-RevId: 8da34e824fc5a0113ae03f0041a4e15edf92c77a

plugins/repository-search/src/main/java/org/jetbrains/idea/kpmsearch/PackageSearchService.java

@@ -35,13 +35,33 @@ public class PackageSearchService implements DependencySearchProvider {
 
   @Override
   public void fulltextSearch(@NotNull String searchString, @NotNull Consumer<RepositoryArtifactData> consumer) {
+    searchString = normalize(searchString);
     ProgressManager.checkCanceled();
     String url = createUrlFullTextSearch(searchString);
     doRequest(consumer, url);
   }
 
+  private String normalize(String string) {
+    if (string == null) return null;
+    StringBuilder builder = new StringBuilder();
+    boolean isOK = true;
+    for (char c : string.toCharArray()) {
+      if ((c >= 'a' && c <= 'z') ||
+          (c >= 'A' && c <= 'Z') ||
+          c == ':' || c == '-') {
+        builder.append(c);
+      }
+      else {
+        isOK = false;
+      }
+    }
+    return isOK ? string : builder.toString();
+  }
+
   @Override
   public void suggestPrefix(@Nullable String groupId, @Nullable String artifactId, @NotNull Consumer<RepositoryArtifactData> consumer) {
+    artifactId = normalize(artifactId);
+    groupId = normalize(groupId);
     ProgressManager.checkCanceled();
     String url = createUrlSuggestPrefix(groupId, artifactId);
     doRequest(consumer, url);