👉 A wild card in programming refers to a special character used to represent any number of characters. For example, if you have a string like "Hello World" and you want to count how many times the character 'H' appears, you can use a wildcard to specify that you want to count all occurrences of the character. In Python, you can use the `re` module to define wildcards: ```python import re # Define a regular expression pattern for matching any characters pattern =
