Openpyxl: Determining which character in a cell value is strikethrough

I'll first mention that I'm using Python 2.7 and Openpyxl 2.4.1

Essentially I have a sheet in a workbook that I'm cleaning. I'm going through each cell and checking if there is Strikethrough text. Assume I'm looking in Column A:

for i in range(1, sheet.max_row+1):    my_cell = sheet['A'+str(i)]    if my_cell.font.strikethrough == True:        #here's the tricky part

I know that it is possible to determine whether or not a cell contains strikethrough characters, but I would like to find which characters in the cell.value are strikethrough characters. I've read the docs and couldn't find too much on this. Is this possible with openpyxl?