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Several ways to add thousand characters to formatted numbers in node.js_node.js

WBOY

Release： 2016-05-16 15:51:33

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Separate every three characters with commas

Regular method:

Copy code The code is as follows:

"15000000".split("").reverse().join("").replace(/(d{3})/g, "$1,").split("").reverse().join( "");

"115000000".split("").reverse().join("").replace(/(d{3})(?=[^$])/g, "$1,").split ("").reverse().join("");

var str = '123123211312.333123'.replace(/(?=(?!^)(?:d{3}) (?:.|$))(d{3}(.d $)?)/ g,',$1');
console.log(str)

'1500000000000'.replace(/B(?=(d{3}) $)/g,',')

Loop search method

Copy code The code is as follows:

function formatNumber(value) { 

value = value.toString(); 

If (value.length <= 3) { 

         return value; 

} else { 

            return formatNumber(value.substr(0, value.length - 3)) ',' value.substr(value.length - 3); 

} 

}

toLocaleString function:

Copy code The code is as follows:

15000000..toLocaleString();

Related labels：

node.js number format

source：php.cn

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