Аzad Kichibekov

.leftJoinAndSelect('eq.number_equipment, 'number_equipment')

const C = hypotenuse_length(A, B);
area_triangle(A, B);
perimeter(A, B, C);

const myTrim = (str) => {
    const splitN = str.split(/[\n]/g);
    const pattern = /[.|,|!|?|"|'|:|”|“]/;
    let repeatedInx = -1;
    let count = 0;

    for (const el of splitN) {
        repeatedInx += 1;
        
        if (pattern.test(el[el.length - 1])) {
            count += 1;
            continue;
        }
    
        if (count === 3) break;
        
        count = 0;
    }

    return splitN.slice(count && repeatedInx - count).join('\n');
};

myTrim(`
abc
abe
cde
ace?
ved.
cvd.
`);
//  'ace?\nved.\ncvd.\n'