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function::substr

Name

function::substr — Returns a substring

Synopsis

substr:string(str:string,start:long,length:long)

Arguments

str
the string to take a substring from
start
starting position of the extracted string (first character is 0)
length
length of string to return

Description

Returns the substring of the given string at the given start position with the given length (or smaller if the length of the original string is less than start + length, or length is bigger than MAXSTRINGLEN).