I've moved this issue to Bug 1341237. However, it isn't being prioritized for a fix at this time because we believe the configurations that have this problem aren't common and that using "English (United States)" as your format locale is a reasonable workaround.
When I try to select a word or more words I currently have two options. The first one is to hold down shift and select on letter by letter basis which is slow. The second one is to select with help of mouse, which is error prone.
Normally all text editors have options to move for 1 word left or right by ctrl + left arrow or ctrl + right arrow. The same goes for selecting a word (ctrl + shift + arrow). I would like this functionality to be supported by LabVIEW at least on block diagram, VI documentation, enum editing.