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@LEFT

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@LEFT[n,string] : If n is positive, it returns the leftmost n characters of string. If n is greater than the length of string, it returns the entire string. If n is negative, it returns string after dropping its rightmost n characters, unless -n is greater than the length of string, in which case it returns an empty string.

 

Examples:

 

%@LEFT[2,jpsoft]jp
%@LEFT[22,jpsoft]jpsoft
%@LEFT[-2,jpsoft]jpso
%@LEFT[-22,jpsoft]empty string

 

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