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    Insert a character each specific position

    26th September 2014

    Javascript

    javascript category codehaven

    Result is 123-456-789-0

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    var str = "1234567890";
    str = str.replace(/(\S{3})/g,"$1-");
    alert (str);
     

    Inserting twice at different positions
    Result 123-456-7890

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    var str1 = "1234567890"
    var str2 = "-"
     
    str1 = str1.substr(0,3) + str2 + str1.substr(3,3) + str2 + str1.substr(6)
    alert(str1);
     

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