This feature is the opposite of sequence extraction feature. It removes sequences based on a list of IDs or a regular expression. It is faster than sequence extraction if you remove less than a half of the sequences.
- Select
Sequencesin the navigation bar A. - Open
Remove sequencesfrom the tool list on wide windows, or select the tool name B at the top of the page to switch tools. - Add the input files C with
Browse files,Browse folder, orOpen archive. SEGUI searches a folder and its subfolders for files that match the tool's input format. See file input for mobile options. - Select the option to remove sequences based on a list of IDs or a regular expression.
- Add the list of IDs or regular expression.
- Select
BrowseunderSelect output directoryto choose the output folder. On phones and tablets, enter aDirectory nameinstead; SEGUI saves it in the app's own folder. - Select the output sequence format.
- Select the run button D, labeled
Remove, to start the task.
Removal Options
Section titled “Removal Options”Remove by ID
Section titled “Remove by ID”The IDs should be separated by semicolon (;). For example, seq1;seq2;seq3.
Remove by Regular Expression
Section titled “Remove by Regular Expression”SEGUI uses Rust regex. The regular expression should be a valid regex pattern. For example, seq[0-9]+ will remove all sequences with IDs like seq1, seq2, seq3, and so on.

