• Source 
    1. import re
    2. s = 'gkketl1Pwd=SDFDSFSFD_213213#asdsad,tech1User=WQEWQQW,techPwd=sdfdsfdM9S,gkkhistPwd=FDSFDDF_WISD01#sad,render1Pwd="SADcyx12321321,213213,recoveryPwd=asdsaSA"ycNJ,9CB9PAJ2w4AbqBHB!,trustStorePwd=test,'
    3. maskedValue=re.sub(r"(\w*Pwd=)([^,]*(?:,(?!\w+=|$)[^,]*)*)", lambda m: "{}*****".format(m.group(1)), s)
    4. print(maskedValue)