import re
text = re.sub('http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))'+, '', text, flags=re.MULTILINE)my_text = 'Aello world'
my_text = my_text.replace(my_text[0], 'H')
print (my_text)>>> x = 'xpple bxnxnx cherry'
>>> a = x.replace(x,a) # replaces x with a
'apple banana cherry'
>>> first_a = x.replace(x,a,1) # only replaces first a
'apple bxnxnx cherry'# string.replace(old, new, count), no import is necessary
text = "Apples taste Good."
print(text.replace('Apples', 'Bananas')) # use .replace() on a variable
Bananas taste Good. <---- Output
print("Have a Bad Day!".replace("Bad","Good")) # Use .replace() on a string
Have a Good Day! <----- Output
print("Mom is happy!".replace("Mom","Dad").replace("happy","angry")) #Use many times
Dad is angry! <----- Outputtext = 'Mohammad_Sadegh_Eslahi'
text = text.replace('_', ' ')
print(text)
>>>
'Mohammad Sadegh Eslahi'mytext = 'Hello Zorld'
mytext = mytext.replace('Z', 'W')
print mytext,