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Computer Science IGCSEPDF 107
142 pagesrevision 46930
PDF 107
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8.1.5 String Handling
Length
Substring
Format
LENGTH (“<string>”)
OR
LENGTH (<identifier>)
● The first character in a string can beinposition 0 or 1 but it is usually considered
to be in position 1.
Explanation
It outputs the number of
characters in the string. (spaces
are also included in the length)
The first number is the first
character of the text you want to
isolate and the second number
is the final character you want
to include.
SUBSTRING (“<string>”,
<start>, <length>)
OR
SUBSTRING (<identifier>,
<start>, <length>)