Remove specific characters from a string in Javascript

If you want to remove F0 from the whole string then the replaceAll() method works for you.

const str = 'F0123F0456F0'.replaceAll('F0', '');
console.log(str);

Honestly I think this probably the most concise and least confusing, but maybe that is just me:

str = "F0123456";
str.replace("f0", "");

Dont even go the regular expression route and simply do a straight replace.

Simply replace it with nothing:

var string = 'F0123456'; // just an example
string.replace(/^F0+/i, ''); '123456'

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