Function string.find

Questions
#1

Why the function string.find in this case returns 1,1 ?

s2 = "299439"
i, j = string.find(s2, ".")
print(i, j)
#2

This function uses pattern matching for search. Pattern “.” means any symbol.
If you want to find a dot, use “%.”:

i, j = string.find(s2, "%.")
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#3

The Lua pattern matching syntax is documented here: Programming in Lua : 20.2

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