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Editorial Team
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Asked: 2026-05-25T02:55:44+00:00

Given the following email address — someone@example.com — how can I extract someone from

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Given the following email address — someone@example.com — how can I extract someone from the address using javascript?

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1 Answer

  1. Editorial Team

    Regular Expression with match

    with safety checks

    var str="someone@example.com";
var nameMatch = str.match(/^([^@]*)@/);
var name = nameMatch ? nameMatch[1] : null;

    written as one line

    var name = str.match(/^([^@]*)@/)[1];

    Regular Expression with replace

    with safety checks

    var str="someone@example.com";
var nameReplace = str.replace(/@.*$/,"");
var name = nameReplace!==str ? nameReplace : null;

    written as one line

    var name = str.replace(/@.*$/,"");

    Split String

    with safety checks

    var str="someone@example.com";
var nameParts = str.split("@");
var name = nameParts.length==2 ? nameParts[0] : null;

    written as one line

    var name = str.split("@")[0];

    Performance Tests of each example

    JSPerf Tests

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