Sorry, there is already a solution in one if the rename threads, which i found after some search:
Rename REGEXP PATTERN="(.)(_|.| )(.)(.)(.*)#" TO="\1 \3\4\5"
Sorry, there is already a solution in one if the rename threads, which i found after some search:
Rename REGEXP PATTERN="(.)(_|.| )(.)(.)(.*)#" TO="\1 \3\4\5"