At Locates the starting character position of a string within another string. Syntax At(s1, s2) Parameters Parameter Description s1 The source string. s2 The search string. If s2 is not a part of s1, the function returns 0. If s2 is empty, the function returns 1. Examples The following expressions are examples of using the At function: Expression Returns At(“ABCDEFGH”, “AB”) 1 At(“ABCDEFGH”, “F”) 6 At(23412931298471, 29) 5, the first occurrence of 29 within the source string. At(Ltrim(Cust_Info[0]), “555″) The location of the string 555 within the first occurrence of Cust_Info. See also “Ltrim”.