freeCodeCamp/guide/english/certifications/javascript-algorithms-and-data-structures/regular-expressions/match-everything-but-letters-and-numbers/index.md

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Match Everything But Letters and Numbers

Match Everything But Letters and Numbers

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Problem Explanation

To finish this challenge, it's necessary to use character classes.

The \W matches any character that is not a word character from the basic Latin alphabet. Equivalent to [^A-Za-z0-9]._

For example, /\W/ or /[^A-Za-z0-9_]/ matches "%" in "50%".

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Solutions

Solution 1 (Click to Show/Hide)

let quoteSample = "The five boxing wizards jump quickly.";
let nonAlphabetRegex = /\W/g; // Change this line
let result = quoteSample.match(nonAlphabetRegex).length;