How to get content between tags in a string using string.find?

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LoliNeko2014-11-19 06:28:38

Lua

LoliNeko, 2014-11-19 06:28:38

--получаем позиции содержимого в строке вместе с тегами
i, j = string.find (data, "<body>(.-)</body>")
--отнимает количество символов эквивалентных размерам тегов
msg = string.sub (data, i + 6, j - 7)

How to do it right?

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1 answer(s)

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Sergey Lerg, 2014-11-19
@LoliNeko

Like this?
repl.it/408/2

local data = 'asdds d sf fsadsadsad<body onload="javascrip:()">the text inside the tag</body>asdsadas ds fsd sdf dsadsad'

local tag = 'body'

local tagStart, tagEnd = data:find('<' .. tag .. '.->')
local closeTagStart, closeTagEnd = data:find('</' .. tag .. '.->', tagEnd + 1)

local textStart, textEnd = tagEnd + 1, closeTagStart - 1

local msg = data:sub(textStart, textEnd)
print(msg)