more "for all regions in a region group" functions

make more functions for “for all regions in a region group”, here are some suggestions:

• (all regions with distance (number) or lower)
  just like it sounds, regions that are distanced a certain amount of pixels/modd-number-identification and nearer

• (all regions with a name containing (string))
  loops trough regions that contain a certain letter or sequence of letters

• (all regions with color (string))
  loops trough all regions with matching string in their color value

• (all regions overlapping (region))
  loops trough all regions that are overlapping a certain region besides the overlapped region/selected region

• (all regions containing (entity))
  loops trough all regions that contain a constant or specific entitity