Get indices of genes whose annotation matches a regex.
Usage
which_genes_regex(sce, regex, colname = "Symbol", ignore_case = TRUE)
Arguments
- sce
A SingleCellExperiment object.
- regex
A character scalar.
- colname
A character scalar: name of column in rowData(sce) whose values will be tested by regex.
- ignore_case
A logical scalar: if TRUE, ignore case in regex.
Value
An integer vector: indices of rowData(sce) matching the regex.
Examples
if (FALSE) {
# Indices of mitochondrial genes.
which_genes_regex(sce, regex = "^MT-", colname = "Symbol", ignore_case = TRUE)
}