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substr

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Purpose

Get a substring of a string.

Synopsis

function substr(str:string, i1:integer, i2:integer):string

Arguments

str	String
i1	Starting position of the substring
i2	End position of the substring

Return value

Substring of the given string.

Example

write(substr("Example text", 3, 10))

This outputs the text: ample te

Further information

This function returns the substring from the i1^th to the i2^th character of a given string (the counting starts from 1). This function returns an empty string if the bounds are not compatible with the string (e.g. starting position larger than the length of the string) or inconsistent (e.g. starting position after end position).

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