/\p{L}\p{M}?|\S|\s/gu
Usage:
"മാസങ്ങളിൽ മേടം പ്രധാനം".match(/\p{L}\p{M}?|\S|\s/gu); // ["മാ", "സ", "ങ്", "ങ", "ളി", "ൽ", " ", "മേ", "ടം", " ", "പ്", "ര", "ധാ", "നം"]
/\p{L}\p{M}?|\S|\s/gu
Usage:
"മാസങ്ങളിൽ മേടം പ്രധാനം".match(/\p{L}\p{M}?|\S|\s/gu); // ["മാ", "സ", "ങ്", "ങ", "ളി", "ൽ", " ", "മേ", "ടം", " ", "പ്", "ര", "ധാ", "നം"]
Usage: