@regexp-extra/integer-hex v0.1.1

RegExp for matching hexadecimal integer.

const INTEGER_HEX = require('@regexp-extra/integer-hex');
// -> regular expression (global)


INTEGER_HEX.test('cake');
// false

INTEGER_HEX.test('0x1231');
// true

var str = '1 canteen: 1000kg = 0x12C mangoes';
str.match(INTEGER_HEX);
// [ '0x12C' ]

new RegExp(INTEGER_HEX).exec(str);
// [ '0x12C',
//   '',       (sign)
//   '0x12C',  (digits)
//   index: 20,
//   input: '1 canteen: 1000kg = 0x12C mangoes',
//   groups: undefined ]

credits: taken idea from substack/float-regex.