 >>-SEARCHR(x,y-+----+-)----------------------------------------><
'-,n-'
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The SEARCHR function performs the same operation as the SEARCH
built-in function except for the following differences:
- The search is done from right to left.
- The default value for n is LENGTH(x).
- Unless 0 <= n <= LENGTH(x),
the STRINGRANGE condition, if enabled, is raised. Its implicit action
and normal return give a result of zero.
The BIFPREC compiler option determines the precision of the result
returned.
The syntax for SEARCH is described in SEARCH.
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