Index: trunk/src/org/openstreetmap/josm/data/validation/routines/UrlValidator.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/routines/UrlValidator.java	(revision 18868)
+++ trunk/src/org/openstreetmap/josm/data/validation/routines/UrlValidator.java	(revision 18869)
@@ -132,5 +132,5 @@
      * Protocol scheme (e.g. http, ftp, https).
      */
-    private static final String SCHEME_REGEX = "^\\p{Alpha}[\\p{Alnum}\\+\\-\\.]*";
+    private static final String SCHEME_REGEX = "^\\p{Alpha}[\\p{Alnum}+\\-.]*";
     private static final Pattern SCHEME_PATTERN = Pattern.compile(SCHEME_REGEX);
 
@@ -138,5 +138,5 @@
     // TODO does not allow for optional userinfo.
     // Validation of character set is done by isValidAuthority
-    private static final String AUTHORITY_CHARS_REGEX = "\\p{Alnum}\\-\\."; // allows for IPV4 but not IPV6
+    private static final String AUTHORITY_CHARS_REGEX = "\\p{Alnum}-\\."; // allows for IPV4 but not IPV6
     private static final String IPV6_REGEX = "[0-9a-fA-F:]+"; // do this as separate match because : could cause ambiguity with port prefix
 
@@ -151,5 +151,5 @@
             USERINFO_CHARS_REGEX + "*@"; // password may be absent
     private static final String AUTHORITY_REGEX =
-            "(?:\\[("+IPV6_REGEX+")\\]|(?:(?:"+USERINFO_FIELD_REGEX+")?([" + AUTHORITY_CHARS_REGEX + "]*)))(:\\d*)?(.*)?";
+            "(?:\\[("+IPV6_REGEX+")]|(?:(?:"+USERINFO_FIELD_REGEX+")?([" + AUTHORITY_CHARS_REGEX + "]*)))(:\\d*)?(.*)?";
     //             1                          e.g. user:pass@          2                                   3       4
     private static final Pattern AUTHORITY_PATTERN = Pattern.compile(AUTHORITY_REGEX);
@@ -164,6 +164,6 @@
     private static final int PARSE_AUTHORITY_EXTRA = 4;
 
-    private static final String PATH_REGEX = "^(/[-\\w:@&?=+,.!/~*'%$_;\\(\\)]*)?$";
-    private static final Pattern PATH_PATTERN = Pattern.compile(PATH_REGEX);
+    private static final String PATH_REGEX = "^(/[-\\w:@&?=+,.!/~*'%$_;()]*)?$";
+    private static final Pattern PATH_PATTERN = Pattern.compile(PATH_REGEX, Pattern.UNICODE_CHARACTER_CLASS);
 
     private static final String QUERY_REGEX = "^(.*)$";