Date matching when OCR interprets "i" for 1

Hello,
I use date matching in Hazel to rename PDF files based on a date matched in the document's OCR.
But sometimes, due to the fonts, the OCR thinks a "1" is a "i".
Like 10.12.2013 -> i0.i2.20i3
Any trick to get around this ?
Thank you.
I use date matching in Hazel to rename PDF files based on a date matched in the document's OCR.
But sometimes, due to the fonts, the OCR thinks a "1" is a "i".
Like 10.12.2013 -> i0.i2.20i3
Any trick to get around this ?
Thank you.