I think you should do that too. Personally I'd like to see more websites accept dashes and periods, but it's really a personal preference of readability and consistency vs expression. Usernames can only contain alphanumeric characters (AZ, 09) and periods ("."). Please and thanks again and again. QuestionWhen I try writing this way, they say "The name contains invalid characters." :sAnswerTry putting other, non-invalid, characters. QuestionHey i want to keep my last name blank, but how?AnswerChange it for a symbol, or several of them. =)AnswerTry using symbols that your friends do, the way they do. Sure, it's more obvious than a period, but it'll work no matter what character restrictions you add to the system. im so streassed out. I tried one of the symbols you mentioned works. WTF? -.-AnswerLol D I guess it flew away! DI don't know why it happened. Can you help?AnswerThat's a rare case, but I've seen it happen with other guys. There are a lot of security issues with Unicode usernames, as demonstrated by Spotify that might have thought the same way. more stack exchange communities company blog Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Log In Sign Up . By not accepting these characters, you can prevent a wide range or usernames-that-look-like-other-usernames. It's made with Ukrainian characters. Is it anything u can suggest me?? I really want to change it. For example, johnsmith55, John.Smith55 and john.smith.55 are all considered the same username. Now try the same with a dash, it most likely will not.) shareimprove this answer answered Jan 12 '10 at 23:48 NicoleC 24.8k95985 7 Well characters which are not easy to read or ones that make the system messy are good candidates to disallow. .. I don't think you can do that. It will look like edited. I tried putting symbols on my display name,but it just wouldnt let. QuestionHi!I changed name from Parag Kadam to Xyro Frenchgoatee Frood and then to Xyro Frood.But now it won't let me change it back to Parag Kadam! Please, help!!AnswerSorry, I don't have a smallest idea about why that may happen. QuestionHey! :S I've put symbol butterfly and my middle name disappeared. There is no "standard", so if neither of the above reasons bother you, do whatever you'd like. .. =( Maybe, contact FB staff, or something. =. CommentHey! Superb article buddy! Cheers. As I wrote, some symbols are blocked on from been in names on Facebook. You won't be able to do that. Read the reference, please. shareimprove this answer answered Jan 12 '10 at 23:50 Sasha Chedygov 75.3k1986102 Another good reason for character restrictions is to prevent user-forgery. Please check your URL for typos and try again. shareimprove this answer answered Mar 6 '11 at 3:25 medgno 1285 add a comment up vote 1 down vote Depends how your usernames are used. I used to change my username before, but now am no longer able to do it. add a comment 10 Answers 10 active oldest votes up vote 15 down vote accepted A well-designed system doesn't necessarily need to prevent any special characters in usernames. Obviously it is possible to build a system that accepts other characters, but the original question was asking why that isn't always the case. Cisco Support English English Spanish Portuguese Russian Japanese Chinese Feedback Help Browse Cisco Support Community Topics Cisco Support Community back Network Infrastructure Network Infrastructure back Cisco Modeling Labs Medianet Optical Networking Network Management WAN, Routing and Switching Other Network Infrastructure Subjects Getting Started with LANs IPv6 Integration and Transition Remote Access LAN, Switching and Routing EEM Scripting DNA Security Security back Sourcefire AAA, Identity and NAC Firewalling Other Security Subjects Cisco Threat Awareness Service (CTAS) Security Management Web Security Intrusion Prevention Systems/IDS Physical Security VPN Email Security MARS Cisco Defense Orchestrator Cloud Web Security Collaboration, Voice and Video Collaboration, Voice and Video back Contact Center Digital Media System IP Telephony Jabber Clients Prime Collaboration Management TelePresence Unified Communications Applications Video Over IP Conferencing Hosted Collaboration Solution Other Collaboration, Voice, and Video Subjects UC Migrations Wireless - Mobility Wireless - Mobility back Wireless IP Voice and Video Other Wireless - Mobility Subjects Security and Network Management Getting Started with Wireless Wireless LAN Controller Config Analyzer (WLCCA) Small Business Support Community Small Business Support Community back International Zone Small Business Online Device Emulators Non-Product Related Small Business Technical Questions Small Business Routers Small Business Support Service Jabber Video Support Small Business Voice and Conferencing Small Business Network and Smart Storage Small Business Smart Tips Small Business Switches WebEx Telepresence Voice Systems ATAs, Gateways and Accessories Regional Service & Support Options FindIT Network Management Discussions OnPlus Service Small Business Security Small Business Surveillance Small Business Wireless Online Chat Support Small Business Support Community Small Business FAQ Data Center Data Center back Intelligent Automation Storage Networking Application Centric Infrastructure Cloud Center Other Data Center Subjects Unified Computing System Application Networking Server Networking Wide Area Application Services (WAAS) Cisco Prime Network Services Controller Tetration Analytics Service Providers Service Providers back Other Service Provider Subjects Voice over IP Metro SP Mobility XR OS and Platforms MPLS SP Video Services Services back Smart Services Connected TAC Market Trial Operations Exchange Cisco ServiceGrid Cisco Cloud Service Router (CSR) for Amazon Connected Analytics Solutions and Architectures Solutions and Architectures back Collaboration Solutions and Architectures Data Center & Virtualization Borderless Networks All Topics Experts Cisco Support Community back Leaderboards Experts back Most Solution Most Helpful Top Contributors Experts back Cisco Designated VIP Hall of Fame Spotlight Awards Event Top Contributors Events Cisco Support Community back Webcast Events Ask the Experts Events Community Cisco Support Community back Cisco Cafe Behind the Scenes Community Ideas Feedback Forum Cisco Support Community Topics Network Infrastructure Cisco Modeling Labs Medianet Optical Networking Network Management WAN, Routing and Switching Other Network Infrastructure Subjects Getting Started with LANs IPv6 Integration and Transition Remote Access LAN, Switching and Routing EEM Scripting DNA Security Sourcefire AAA, Identity and NAC Firewalling Other Security Subjects Cisco Threat Awareness Service (CTAS) Security Management Web Security Intrusion Prevention Systems/IDS Physical Security VPN Email Security MARS Cisco Defense Orchestrator Cloud Web Security Collaboration, Voice and Video Contact Center Digital Media System IP Telephony Jabber Clients Prime Collaboration Management TelePresence Unified Communications Applications Video Over IP Conferencing Hosted Collaboration Solution Other Collaboration, Voice, and Video Subjects UC Migrations Wireless - Mobility Wireless IP Voice and Video Other Wireless - Mobility Subjects Security and Network Management Getting Started with Wireless Wireless LAN Controller Config Analyzer (WLCCA) Small Business Support Community International Zone Small Business Online Device Emulators Non-Product Related Small Business Technical Questions Small Business Routers Small Business Support Service Jabber Video Support Small Business Voice and Conferencing Small Business Network and Smart Storage Small Business Smart Tips Small Business Switches WebEx Telepresence Voice Systems ATAs, Gateways and Accessories Regional Service & Support Options FindIT Network Management Discussions OnPlus Service Small Business Security Small Business Surveillance Small Business Wireless Online Chat Support Small Business Support Community Small Business FAQ Data Center Intelligent Automation Storage Networking Application Centric Infrastructure Cloud Center Other Data Center Subjects Unified Computing System Application Networking Server Networking Wide Area Application Services (WAAS) Cisco Prime Network Services Controller Tetration Analytics Service Providers Other Service Provider Subjects Voice over IP Metro SP Mobility XR OS and Platforms MPLS SP Video Services Smart Services Connected TAC Market Trial Operations Exchange Cisco ServiceGrid Cisco Cloud Service Router (CSR) for Amazon Connected Analytics Solutions and Architectures Collaboration Solutions and Architectures Data Center & Virtualization Borderless Networks Experts Leaderboards Most Solution Most Helpful Top Contributors Cisco Designated VIP Hall of Fame Spotlight Awards Event Top Contributors Events Webcast Events Ask the Experts Events Community Cisco Cafe Behind the Scenes Community Ideas Feedback Forum Register Login Cisco Support Community : Page not found All communityKnowledge baseUsers cancel turn on suggestions Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type 5a02188284
facebook tetris hack 2012free auto like facebook photohow to download a song from facebook band pagefacebook kapak foto raflar t rk bayraget 10 000 facebook likes for freecheat for downhill snowboard on facebookhow to establish a facebook account for a businessfacebook life enhancer applay lai facebook bi hackfacebook messenger java pobierz