Javascript Regular Expression:Find all occurence of number preceeded by USD

Suppose we have given a string below

USD 100 USD 350 USD 345.56 USD currency USD rate

we need to find all occurances of number preceeded by USD

Code:

var line ="USD 100 USD 350 USD 345.56 USD currency USD rate"

var pattern=/USD(\s\d+\.{0,}\d+)/gm

var searchResult;

do {

searchResult = pattern.exec(line);

if (searchResult) {

console.log(searchResult[1]);

}

} while (searchResult);

Output:

100

350

345.56 100

350

345.56