+10  A: 

The character is "\xa0" (i.e. 160), which is the standard Unicode translation for  . (That is, it's Unicode's non-breaking space.) You should be able to remove them with s/\xa0/ /g if you like.

chaos
s/\xa0/ /g #...and some more characters to make 15...
aidan
+2  A: 

The character is non-breaking space which is what   stands for.

Sinan Ünür