find pattern in name's dataset
find_name(dataset, pattern)
a data.frame (or list or anything with names parameter)
pattern we are looking for
a list with position and value
find_name(iris,"Sepal")
#> $rang
#> [1] 1 2
#>
#> $valeur
#> [1] "Sepal.Length" "Sepal.Width"
#>