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Extract a Quantity from a String with JavaScript

Admin by Admin
June 12, 2025
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Person enter from HTML kind fields is mostly offered to JavaScript as a string. We have lived with that truth for many years however typically builders have to extract numbers from that string. There are a number of methods to get these numbers however let’s depend on common expressions to extract these numbers!

To make use of an everyday expression to get a quantity inside a string, we will use d+:

const string = "x12345david";
const [match] = string.match(/(d+)/);
match; // 12345

Common expressions are able to actually highly effective operations inside JavaScript; this observe is among the simpler operations. Changing the quantity utilizing a Quantity() wrapper provides you with the quantity as a Quantity kind.

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