To split a string in Java using a dot (.) as the delimiter, you can use the split method of the String class.
To replace a substring in a string in Java, you can use the replace() method of the String class.
You can use the following regular expression to extract the YouTube video ID from a URL:
To check if a string contains another string in PHP, you can use the strpos() function.
In PHP, you can use the preg_match() function to extract the string value of an HTML tag.
You can use the re module in Python to use regular expressions with the replace() method.
To create a regular expression that includes all special characters, you can use the following pattern:
You can use the preg_replace function in PHP to remove all non-numeric characters from a string.
Here is an example of code that removes all special characters, punctuation, and spaces from a string in Python:
In PHP, you can use the preg_replace function to remove control characters from a string.