Python comes with regex support out of the box ... “Don’t interpret the backslashes as escape codes.” import re text = 'a11 b213 a13 x15 c21 a40 a55 m34' print (re.sub(r'a(d*W)',r'b1 ...

The other option to remove parameters in Java or Python is to use a regular expression to delete the matching portion of the input string. This method is much less readable but uses fewer lines of ...