for example, the regex [a-zA-Z] only cares about two kinds of characters: letters and everything else. so instead of individually taking derivatives for 52 alphabet characters a..z, A..Z, we can conclude from the start that there are only two kinds of characters we care about: letters ([a-zA-Z]) and non-letters ([^a-zA-Z]).
Во Французской Гвиане начнут демонтаж стартовой площадки российского «Союза-СТ»Компания MaiaSpace перенесла первый пуск ракеты Maia с 2026 года на 2027-й
，这一点在雷速体育中也有详细论述
For more detail on this check out this site: https://www.extremetech.com/computing/how-do-ssds-work
Now scientists are directly linking the uncontrolled rocket re-entry to a plume of lithium measured less than 100km above Earth.