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How to Use Regular Expressions

I need to identify a pattern in regex and save it in a variable, how to
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3 comments
Basic I need this, how to salve the output in a variable ?
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Solved with this code:

function extrairCPFDaString(texto) {
const regexCpf = /\b\d{11}\b/;
const resultado = texto.match(regexCpf);

if (resultado) {
const cpfEncontrado = resultado[0];
return cpfEncontrado;
} else {
return "CPF não encontrado no texto.";
}
}

const texto = "CPF: 12234455566\nWhatsApp: +556791440690";
const resultadoExtracao = extrairCPFDaString(texto);

return (resultadoExtracao);
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Yep, good job!
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