const regex = /(.*\s[0-9]{2}:[0-9]{2}\s+).*(9[4-9]( *[0-9]){6})/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(.*\\s[0-9]{2}:[0-9]{2}\\s+).*(9[4-9]( *[0-9]){6})', 'gm')
const str = `20/10/2022 19:00 test 1 99 435 18 1 more text
20/10/2022 20:00 test 2 97 123 1 81 more text2
20/10/2022 21:00 test 3 96 4 3 5567 more text3
20/10/2022 22:00 test abc 2134 4 99 43 51 81 more text4`;
const subst = `$1 $2 $3 $4`;
// The substituted value will be contained in the result variable
const result = str.replace(regex, subst);
console.log('Substitution result: ', result);
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