extract-numbers

Get numbers from a string

Install

$ npm install extract-numbers

Usage

let str = '3030 results found';
extractNumbers(str);
//=> ['3030']

//multiple
str = '50 out of 100'
extractNumbers(str);
//=> ['50', '100']

//with commas
str = '100,000 people shortlisted out of 220,000,000 population'
extractNumbers(str);
//=> ['100,000', 220,000,000]

//decimals
str = 'Your rating is 8.7'
extractNumbers(str);
//=> ['8.7']

//decimals with commas
str = 'Your balance: $100,000.77, previous month: $90,899.89'
extractNumbers(str);
//=> ['100,000.77', '90,899.89']

//negatives and negative decimals
str = 'Temperature: -15°C, yesterday: -22°C, day before yesterday: -20.5°C;'
extractNumbers(str);
//=> ['-15', '-22', '-20.5']

//negatives with commas
str = '-170,000, -222,987 and -222,987,899.70 respectively.'
extractNumbers(str); 
//=> ['-170,000', '-222,987', '-222,987,899.70']

API

extractNumbers(str, options)

Returns an array of numbers.

__

options

Type: Object

string

Type: Boolean Default: true

If set to false, remove any commas and convert the whole array to numbers

let str = `The numbers are: 3030, 100,000, 100,000,000, 7.7, 90,899,232.89, 
-22, -15.7, -222,987,899 and -222,987,899.90 `;

extractNumbers(str, {string: false})
//=> [3030, 100000, 100000000, 7.7, 90899232.89, -22, -15.7, -222987899, -222987899.90]

Related

• case-study - a library to find, count or verify uppercase and lowercase words in a string.

License

MIT © Talha Awan