Here are some examples of how people express laughter in writing around the world:
哈哈 or 呵呵
China (Mandarin)
ha ha” or “he he” Similarly, xixi, 嘻嘻, suggests giggling.
hihihihihihihihi
Vietnam
55555555555
Thailand
In Thai,the number “5” is pronounced “ha” online.
wwww
Japan
“Warai” is the Japanese word for laughter and is often shortened to “www.”
חחח/ההה (khkhkhkhkhkhkhkhkh)
Hebrew
The letter “ח” is prounced “kh," which is how they hear laughter
xaxaxaxa
Greece
“X” in Greek is pronounced like the English “h,” so it’s the phonetic equivalent of “hahahaha!”
wakakakakaka or wkwkwkwkwk
Indonesia
huehuehue
Brazil
kekekekekekeke
Korea
In Korean, “ㅋㅋㅋ” is “keu keu keu” and means the same thing as “hahaha.”
rsrsrs, hashuashuashuashua, rá!, and kkkkk
Portugal
هههههههههههه or hhhhhhhhhhhh
Arabic, and also used in Kurdish
Arabic doesn’t have short vowels, so only the “h” is necessary for it to read as “hahahahaha.”
jajajajajaja
Spanish
In Spanish, the letter “j” is pronounced like the English “h.”
hi hi, hæ hæ, ho ho, ti hi
Denmark
hehe, híhí
Iceland
хаха, hihi хихи, hèhè хехе
Russia
LWKMD
Nigeria
In Nigerian pidgen slang, this stands for Laugh Wan Kill Me Die, similar to lmfao in the U.S,
MDR
France
The French equivalent of "LOL" is "MDR," which means "mort de rire," or "dying of laughter!"