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How to iterate individual characters in Lua string? In lua 5 1, you can iterate of the characters of a string this in a couple of ways The basic loop would be: -- do something with c end But it may be more efficient to use a pattern with string gmatch() to get an iterator over the characters: for c in str:gmatch" " do -- do something with c end
Split string in Lua - Stack Overflow If you are splitting a string in Lua, you should try the string gmatch () or string sub () methods Use the string sub () method if you know the index you wish to split the string at, or use the string gmatch () if you will parse the string to find the location to split the string at
string. sub - Lua Commands Returns the substring of s that starts at i and continues until j; i and j can be negative If j is absent, then it is assumed to be equal to -1 (which is the same as the string length) In particular, the call string sub (s,1,j) returns a prefix of s with length j, and string sub (s, -i) returns a suffix of s with length i Returns a string
String Manipulation | Luadocs - GitHub Pages In particular, the call string sub(s,1,j) returns a prefix of s with length j, and string sub(s, -i) (for a positive i) returns a suffix of s with length i If, after the translation of negative indices, i is less than 1, it is corrected to 1
6. 2 String Manipulation - Lua strsub (s, i, [j]) Returns another string, which is a substring of s, starting at i and runing until j If j is absent, it is assumed to be equal to the length of s Particularly, the call strsub (s,1,j) returns a prefix of s with length j, while the call strsub (s,i) returns a suffix of s, starting at i