ruby-on-rails – Rails验证full_name

考虑像：

> Jan Levinson-Gould女士
>马丁·路德·金博士
> Brett d’Arras-d’Haudracey
>布鲁诺

而不是验证那里的字符,您可能只想确保一些字符集不存在.

例如：

class User < ActiveRecord::Base

  validates_format_of :full_name,:with => /\A[^0-9`!@#\$%\^&*+_=]+\z/
  # add any other characters you'd like to disallow inside the [ brackets ]
  # metacharacters [,\,^,$,.,|,?,*,+,(,and ) need to be escaped with a \

end

测试

@H_722_15@ms. Jan Levinson-Gould # pass Dr. MarTin Luther King,Jr. # pass Brett d'Arras-d'Haudracey # pass Brüno # pass John Doe # pass Mary-Jo Jane Sally Smith # pass Fatty Mc.Error$ # fail FA!L # fail #arold Newm@n # fail N4m3 w1th numb3r5 # fail

正则表达式解释

NODE                     EXPLANATION
--------------------------------------------------------------------------------
  \A                       the beginning of the String
--------------------------------------------------------------------------------
  [^`!@#\$%\^&*+_=\d]+     any character except: '`','!','@','#','\$','%','\^','&','*','+','_','=',digits (0-9) (1 or more times (matching
                           the most amount possiblE))
--------------------------------------------------------------------------------
  \z                       the end of the String