有什么方法可以替换/删除字符串中除某些短语以外的所有内容？

Question

如果我有一个字符串和像这样的列表：

myString = "This is a string which has stuff in it."
myList = ["string", "things", "python"]

有什么方法可以删除myString中除myList中列出的内容以外的所有内容（在这种情况下，除单词'string'以外的所有内容均已删除）？ 任何帮助，将不胜感激

Answer 1

myString = "This is a string which has stuff in it."
myList = ["string", "things", "python", "it"]

print([x for x in myList if x in myString])

输出 ：

['string', 'it']

Answer 2

import re
myString = "This is a string which has stuff in it."
myList = ["string", "things", "python","it"]
print(" ".join(word for word in re.sub("[^\w]", " ",  myString).split() if word in myList))

Answer 3

mytxt = "some sentence to ignore phase and carry on"
reg = re.compile(r"(ignore phase)")
final_str = re.sub(reg,'',mytxt)
print(final_str)

输出-

一些话要继续