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substr
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2001-03-21
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Synopsis:
$substr(<substring> <search string>)
$rsubstr(<substring> <search string>)
Technical:
These functions search for <substring> in <search string> and return the
index to it. rsubstr is identical to substr, except it searches from
the end to the beginning.
Practical:
They can be used to search for specific things in output from a server,
or as an alternative to $match(*substring* searchstring).
Returns:
-1 if <substring> not found in <search string>
index to <substring> in <search string> if found
See Also:
match(6); rmatch(6)