Computer scienceProgramming languagesPythonPython librariesRegular expressions

Preconditions and postconditions

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Some time ago you were asked to write a program that returns a string if there is the @ character before it. However, your code raises an error even though it is obvious that the strings match the pattern. Can you correct the code and solve this issue?

Sample Input 1:

@Jane123

Sample Output 1:

Jane123

Write a program in Python 3

Code Editor
IDE100

import re

string = input()

pattern = "(?<=@)\w+"

results = re.match(pattern, string)

print(results.group())

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