Remove redundant Regex escapes

Author: zinzoddari

spring-aop/src/test/java/org/springframework/aop/support/ClassFiltersTests.java

@@ -54,7 +54,7 @@ void union() {
 		assertThat(union.matches(RuntimeException.class)).isTrue();
 		assertThat(union.matches(TestBean.class)).isTrue();
 		assertThat(union.toString())
-			.matches("^.+UnionClassFilter: \\[.+RootClassFilter: .+Exception, .+RootClassFilter: .+TestBean\\]$");
+			.matches("^.+UnionClassFilter: \\[.+RootClassFilter: .+Exception, .+RootClassFilter: .+TestBean]$");
 	}
 
 	@Test

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

@@ -81,7 +81,7 @@ public class UriComponentsBuilder implements UriBuilder, Cloneable {
 
 	private static final String HOST_PATTERN = "(" + HOST_IPV6_PATTERN + "|" + HOST_IPV4_PATTERN + ")";
 
-	private static final String PORT_PATTERN = "(\\{[^}]+\\}?|[^/?#\\\\]*)";
+	private static final String PORT_PATTERN = "(\\{[^}]+}?|[^/?#\\\\]*)";
 
 	private static final String PATH_PATTERN = "([^?#]*)";