Nothing
modification <-
function(canevas,modifs)
{
for (i in 1:dim(canevas)[1])
{
for (j in 1:dim(modifs)[1])
{
canevas[i,1]=str_replace(canevas[i,1],modifs[j,1],modifs[j,2])
}
}
return(canevas)
}
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