Now that YARA version 3.3.0 supports word boundaries in regular expressions, I’ve updated my YARA Rule for Detecting JPEG Exif With eval().
yara-rules-V0.0.5.zip (https)
MD5: 298EB636B3A3CB6A073815A83A6D1BA6
SHA256: EA00D044A3A0FE29265817407E382034593E0DAAD9887416E7FC128DA24B8830