[…] If I want to get a string containing 5 \ ,should i write 10 \ […] Yes, you should. To write a single \ in a string, you write it as “\\”. This is because the \ is a special character, reserved to escape the character that follows it. (Perhaps you recognize \n as … Read more
(See ES2015 update at the end of the answer.) You’ve tagged your question both string and regex. In JavaScript, the backslash has special meaning both in string literals and in regular expressions. If you want an actual backslash in the string or regex, you have to write two: \\. The following string starts with one … Read more
You need to escape your backslash by preceding it with, yes, another backslash: print(“\\”) And for versions prior to Python 3: print “\\” The \ character is called an escape character, which interprets the character following it differently. For example, n by itself is simply a letter, but when you precede it with a backslash, … Read more
What you are seeing is the representation of my_string created by its __repr__() method. If you print it, you can see that you’ve actually got single backslashes, just as you intended: >>> print(my_string) why\does\it\happen? The string below has three characters in it, not four: >>> ‘a\\b’ ‘a\\b’ >>> len(‘a\\b’) 3 You can get the standard … Read more