[command]*`rmodifier`* alter modifier strings with regular expressions::
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/rmodifier  list|listdefault
            add <name> <modifiers> <groups> <regex>
            del <name>|-all [<name>...]
            default -yes

       list: list all rmodifiers
listdefault: list default rmodifiers
        add: add a rmodifier
       name: name of rmodifier
  modifiers: comma separated list of modifiers
     groups: action on groups found: comma separated list of groups (from 1 to 9) with optional "*" after number to hide group
      regex: regular expression
        del: delete a rmodifier
       -all: delete all rmodifiers
    default: restore default rmodifiers

Examples:
  hide everything typed after a command /password:
    /rmodifier add password input_text_display 1,2* ^(/password +)(.*)
  delete rmodifier "password":
    /rmodifier del password
  delete all rmodifiers:
    /rmodifier del -all
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