param: |(.)|\1|^ => ignoring
#LETTER NAME  ENABLED REFONLY NROLES MASTER DESCRIPTION
r       regex yes     no      0      NONE   regex
param: |(.)|\1|^| => warning
param: |(.)|\1|, => ignoring
#LETTER NAME  ENABLED REFONLY NROLES MASTER DESCRIPTION
r       regex yes     no      0      NONE   regex
param: |(.)|\1|,| => using the default letter and name
#LETTER NAME  ENABLED REFONLY NROLES MASTER DESCRIPTION
r       regex yes     no      0      NONE   regex