What is the meaning of Sayang?

love

sweetheart, darling

to love, adore

to regret, to miss (regret the absence of)

to soothe

to call someone by an affectionate nickname such as 'darling'

pitiful, regrettable

alas, what a pity!

pity; shame

waste

what a pity; what a shame; what a waste

love

sweetheart; darling

to love, usually in a non-romantic way

alas, what a pity!

love

sweetheart; darling

to love

to be loving, affectionate

what a pity

waste; wasting

useless spending; useless consumption

waste of an opportunity; failure to take advantage

gradual loss, decrease, or destruction by decay, etc.

wasted; uselessly spent or consumed

what a pity!

Source: wiktionary.org