.\"extract a substring from a string
.DT
extract
Discworld driver help
extract

Name
.SI 5
extract() - extract a substring from a string

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Synopsis
.SI 5
string extract( string str, int from, int to );

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Description
.SP 5 5
extract() returns as a string the characters in <str> from <from> to
<to>, inclusive.  The first character in the string is number 0.  If
<to> isn't specified, the string will be from character <from> to the
end of the string.

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See also
.SI 5
sscanf(3), explode(3)
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