Updated_username = user_input.replace(" ", "-")įrom the result of the replace method, you can see that the whitespaces have been replaced with hyphens which meets your standard.
#String replacer windows how to#
Here's how to do that: user_input = "python my favorite" You can use the replace method to replace the whitespaces in the submitted strings with a hyphen. Let's say, for example, you want users to enter their usernames but you don't want the whitespace character in the username input. When to Use the replace Method in PythonĪ good use case of this method is to replace characters in a user's input to fit some standard. The remaining "JavaScript"s stays untouched. I prefer JavaScript to Python because JavaScript looks more beautifulīy applying a count argument of 1, you can see that only the first "JavaScript" (the first occurrence) is replaced with "PHP". New_str = str.replace("JavaScript", "PHP", 1) I prefer JavaScript to Python because JavaScript looks more beautiful" What if you wanted only one occurrence to be replaced? Then you can use the count argument like this: str = "I love JavaScript. In this example, the three occurrences of "JavaScript" are replaced with "PHP". You can see how the replace method replaces the "JavaScript" occurences with "PHP". I prefer PHP to Python because PHP looks more beautiful New_str = str.replace("JavaScript", "PHP") Here's an example that replaces "JavaScript" with "PHP" in a string: str = "I love JavaScript. If this is not specified, all occurrences of the old_char will be replaced with the new_char. The count argument, which is optional, specifies how many occurrences will be replaced. The new_char argument is the set of characters that replaces the old_char. The old_char argument is the set of characters to be replaced. The syntax of the replace method is: string.replace(old_char, new_char, count) The original string is not affected or modified. The replace string method returns a new string with some characters from the original string replaced with new ones. In this article, I'll show you how this method can be used to replace a character in a string. Python has numerous string modifying methods, and one of them is the replace method.
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