# Remove Trailing Special Characters **URL:** https://community.mp3tag.de/t/remove-trailing-special-characters/15584 **Category:** Support **Created:** [March 14, 2014, 1:44am UTC](https://community.mp3tag.de/t/remove-trailing-special-characters/15584 "2014-03-14T01:44:20Z") **Posts on this page:** 1 **Showing post:** 3
### Author: ![DetlevD](https://community.mp3tag.de/user_avatar/community.mp3tag.de/detlevd/32/123_2.png) [@DetlevD](https://community.mp3tag.de/u/DetlevD) #### Post date: [March 14, 2014, 6:18am UTC](https://community.mp3tag.de/t/remove-trailing-special-characters/15584/3 "2014-03-14T06:18:04Z")
> [@nhtrader](#): > > I frequently see trailing "boxes" which indicate non-word characters (not alpha-numeric) and I would like to remove them. ... Text with "boxes" in singe-line tag fields is not automatic, this can be introduced for example by copy & paste. In most cases, these are the non-displayable control characters CR for "carriage return" or LF for "line feed", as used in multi-line texts as end of line, sometimes it is the control character for TAB "tabulator". How 'ohrenkino' in post #2 already said, the box characters can also be readable foreign text, or graphical symbols, but can not be represented correctly by the current screen font, so that just such a box character appears as a replacement. In case of CR or LF you can use the Mp3tag trimming functions, e. g. ... **$trimRight(%COMPOSER%,$char(13)$char(10))** ... or a regexp function, which removes all non-word characters at end of the string ... **$regexp(%COMPOSER%,'\W\*\Z',)** See also ... [probleme mit ä ü ö](https://community.mp3tag.de/t/10613/19) DD.20140314.0849.CET DD.20140320.2012.CET --- _[View the full topic](https://community.mp3tag.de/t/remove-trailing-special-characters/15584)._