function::isinstr
名称
function::isinstr — Returns whether a string is a substring of another string
Synopsis
isinstr:long(s1:string,s2:string)
isinstr:long(s1:string,s2:string)
Arguments
s1- string to search in
 s2- substring to find
 
Description
					This function returns 1 if string 
s1 contains s2, otherwise zero.