Wildcard character

A wildcard character is a symbol used in computing to represent one or more characters in search queries, file names, or patterns. Wildcards are useful in various applications, such as database searches, command-line operations, and programming, as they allow users to search for or manipulate data without specifying every detail. Here are some common wildcard characters: 1. **Asterisk (*)**: Represents zero or more characters. For example, `*.txt` would match all files with a `.