Update user info pattern

Closes gh-32211

Author: rstoyanchev

spring-web/src/main/java/org/springframework/web/util/UriComponentsBuilder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -76,7 +76,7 @@ public class UriComponentsBuilder implements UriBuilder, Cloneable {
 
 	private static final String HTTP_PATTERN = "(?i)(http|https):";
 
-	private static final String USERINFO_PATTERN = "([^@\\[/?#]*)";
+	private static final String USERINFO_PATTERN = "([^@/?#]*)";
 
 	private static final String HOST_IPV4_PATTERN = "[^\\[/?#:]*";