此内容没有您所选择的语言版本。
function::substr
Name
function::substr — Returns a substring.
Synopsis
function substr:string(str:string,start:long,length:long)
function substr:string(str:string,start:long,length:long)
Arguments
str- The string to take a substring from
 start- Starting position. 0 = start of the string.
 length- Length of string to return.
 
General Syntax
					substr:string (str:string, start:long, stop:long)
				
Description
					Returns the substring of the up to the given length starting at the given start position and ending at given stop position.