Description:
Return a substring of a string.
Syntax:
mid(s,start{,len})
Note:
The function returns a substring of s from the specified position start. The length of the substring is len.
Parameter:
|
s |
The source string from which you get the substring |
|
start |
The starting position of the substring |
|
len |
The length of substring; by default, the length will be counted from the starting character to the end of the source string |
Return value:
A string
Example:
|
mid("abcde",1) |
abcde |
|
mid("abcde",1,2) |
ab |
|
mid("abcde",3) |
cde |
Related function: