Regular Expressions (RegEx)

software development

RegEx Tutorial (opens in a new tab)

Renowned has being not very human readable, regular expressions are used for glob and pattern matching.

Check out https://www.regular-expressions.info/tutorial.html (opens in a new tab) to learn more.

A common application of them is when using the unix command-line utility grep (https://en.wikipedia.org/wiki/Grep (opens in a new tab)) to search across files on a computer.

Photo

Screenshot of a terminal showing the manual page for the grep unix command

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© Andrew Hammond.