x = (
    """Both whole plasma and the d < 1.006 g/ml density fraction of plasma from 2/2 mice show this broad beta-migration pattern (Fig. 1 B) |T:**1SP3E3| ; |I:**1SP3E3| |L:**1SP3E3| in contrast, 3/3 plasma shows virtually no lipid staining at the beta-position. |T:**1SN3E3| |I:**1SN3E3| |L:**1SN3E3|"""
    )
Dividing sentences into sub-sentences using re package in Python