Capture

The Capture operation starts or stops a capture group at the current position. It is a flow operation.

You must prefix the command with either the modifier Start or Stop to select if the capturing shall start or stop.

; Capture example: capture one character
.groups 1

START CAPTURE 1
ANY
STOP CAPTURE 1
MATCH

Syntax

START CAPTURE <capture group>
STOP CAPTURE <capture group>