about 7 years ago
If you want to check any NSString containing special characters then check this out.
NSCharacterSet *invalidCharSet = [[NSCharacterSet characterSetWithCharactersInString:@"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"] invertedSet];
NSString *filtered = [[username componentsSeparatedByCharactersInSet:invalidCharSet] componentsJoinedByString:@""];
return ![username isEqualToString:filtered];
Hope this will help you.
Starting with Chrome version 45, NPAPI is no longer supported for Google Chrome. For more information, see Chrome and NPAPI (blog.chromium.org).
Firefox and Microsoft Internet Explorer are recommended browsers for websites using java applets.
Chrome Version Support
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