remove characters from string python regex code example

Example 1: delete certain characters from a string python

for char in line:
    if char in " ?.!/;:":
        line.replace(char,'')

Example 2: strip characters from string python regex

syntax
re.sub(pattern, repl, string, max=0)
#!/usr/bin/python
import re

phone = "2004-959-559 # This is Phone Number"

# Delete Python-style comments
num = re.sub(r'#.*$', "", phone)
print "Phone Num : ", num
#output Phone Num :  2004-959-559

# Remove anything other than digits
num = re.sub(r'\D', "", phone)    
print "Phone Num : ", num
#output Phone Num :  2004959559

Example 3: remove n characters from string python

example_string = "Hello there"

def remove_chars(n, string):
    list_of_chars_in_string = [char for char in string] 
    
    for num in range(n):
        list_of_chars_in_string.pop() # Removes last n characters in string
    
    new_string = ''.join(list_of_chars_in_string)
    return new_string