RosettaCodeData/Task/Palindrome-detection/Lasso/palindrome-detection.lasso
2016-12-05 23:44:36 +01:00

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define ispalindrome(text::string) => {
local(_text = string(#text)) // need to make copy to get rid of reference issues
#_text -> replace(regexp(`(?:$|\W)+`), -ignorecase)
local(reversed = string(#_text))
#reversed -> reverse
return #_text == #reversed
}
ispalindrome('Tätatät') // works with high ascii
ispalindrome('Hello World')
ispalindrome('A man, a plan, a canoe, pasta, heros, rajahs, a coloratura, maps, snipe, percale, macaroni, a gag, a banana bag, a tan, a tag, a banana bag again (or a camel), a crepe, pins, Spam, a rut, a Rolo, cash, a jar, sore hats, a peon, a canal Panama!')