<p><b>@ghubstan</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/bisq-network/bisq/pull/3134#discussion_r317375052">desktop/src/main/java/bisq/desktop/util/validation/PhoneNumberValidator.java</a>:</p>
<pre style='color:#555'>> +        this.callingCode = countryCallingCodes.getCallingCode(isoCountryCode);
+        this.normalizedCallingCode = countryCallingCodes.getNormalizedCallingCode(isoCountryCode);
+    }
+
+
+    @Override
+    public ValidationResult validate(String input) {
+        normalizedPhoneNumber = null;
+        ValidationResult result = super.validate(input);
+        if (!result.isValid) {
+            return result;
+        }
+        final String trimmedInput = input.trim();
+        boolean isCountryDialingCodeExplicit = trimmedInput.startsWith("+");
+        // remove non-digit chars:  plus sign, dashes, parens, hashes, slashes and white spaces
+        String pureNumber = input.replaceAll("[\\+\\s+()\\-\\−\\#\\\\]", "");
</pre>
<p>Yeah, "[^A-Za-z0-9]" is a much better regex for this purpose.  I'll make that change soon, but maybe not tonight.</p>

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