\s+any whitespace character, repeated at least once
\p{N}{1,3}a decimal digit, letterlike number, or other numeric character, repeated between 1 and 3 times
\s+any whitespace character, repeated at least once
Non-Capturing Group(?:years?|an(?:née)?s|سنة|سنوات|عاما|साल) yearthe literal text year (case sensitive) s?optionally matches the literal s (11510 / 1638 / 7316) (case sensitive)
2nd Alternativean(?:née)?s anthe literal text an (case sensitive) Non-Capturing Group(?:née)? ?repeats the group contents below at most once:
néethe literal text née (case sensitive) sthe literal s (11510 / 1638 / 7316) (case sensitive)
سنواتthe literal text سنوات عاماthe literal text عاما g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string