remove special characters from dataframe python code example

Example 1: remove special characters from string python

>>> string = "Special $#! characters   spaces 888323"
>>> ''.join(e for e in string if e.isalnum())
'Specialcharactersspaces888323'

Example 2: remove special characters from string in python

''.join(i for i in string if i.isaplha()

Example 3: how can i remove random symbols in a dataframe in Pandas

df=df.replace('\*','',regex=True)