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  1. Prepare
  2. Java
  3. Strings
  4. Valid Username Regular Expression
  5. Discussions

Valid Username Regular Expression

  • telunar
     + 4 comments

    Taking your remark, this works fine to me then : 

    String pattern = "^[[A-Z]|[a-z]][[A-Z]|[a-z]|\\d|[_]]{7,29}$";