const regex = /([0-9.]+)\s\-/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('([0-9.]+)\\s\\-', 'g')
const str = `1 - Primeira Clausura.
1.1 - Primeiro paragrafo.
1.2 - Segundo Paragrafo
...ddd
2 - Segunda Clausura.
2.1 - Primeiro paragrafo da segunda clausura.
2.2 - Segundo paragrafo da segunda clausura.
...
3 - Terceira Clausura.
3.1 - Terceiro paragrafo da Terceira clausura.
3.2 - STerceiro paragrafo da Terceira clausura.
...
/([0-9.]+)s-/g`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions