Systems, methods, and computer-readable storage media are provided for deleting textual input based upon the input-mode in which such textual input is received. Textual input is received via a block-unit-based input and the textual input is converted into a typewritten text segment and displayed in association with a user computing device. The typewritten text segment includes character-units that substantially comprise at least one recognizable block-unit. Upon receipt of a plurality of delete commands, at least a portion of the typewritten text segment is deleted in accordance with the recognizable block-units. That is, one block-unit is deleted for each delete command received. Upon recognition of a boundary between text received via a block-unit-based input modality and a character-based input modality, the action of the delete command is altered such that one character-unit is deleted for each delete command received in accordance with the input modality.