R/pos.char.R

In Biograph: Explore Life Histories

Defines functions pos.char

Documented in pos.char

pos.char <-
function(string,char)
{  zz <- stringf(as.character(string))
   if (char%in%zz)
     { z <- which (zz==char)}  else
       { z <- NA }
    # returns all occurrences
   return (z[1])
}

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