Question

what is wild card in computer
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Answer 1

In computer wild card referes to the character that can be substituted for zero or more characters in a string ..

These wild card characters are the special characters .

For example :

in dos and windows , the asterisk *

is a wild card ...

Answer 2

Hey there your answer is here

In computing, a wildcard refers to a character that can be substituted for zero or more characters in a string. Wildcards are commonly used in computer programming, database SQL search queries, and when navigating through DOS or Unix directories via the command prompt.

Below are some popular uses for wildcards:

Regular Expressions - A period (.) matches a single character, while .* matches zero or more characters and .+ matches one or more characters.

Example: $pattern = "Mac(.*)"

SQL Queries - A percent symbol (%) matches zero or more characters, while an underscore (_) matches a single character.

Example: SELECT * FROM Computers WHERE Platform LIKE 'Mac%'

Directory Navigation - An asterisk (*) matches zero or more characters, while a question mark (?) matches a single character.

Example: dir *.exe

Hope it helps

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