| export default function ansiRegex({onlyFirst = false} = {}) { |
| // Valid string terminator sequences are BEL, ESC\, and 0x9c |
| const ST = '(?:\\u0007|\\u001B\\u005C|\\u009C)'; |
| |
| // OSC sequences only: ESC ] ... ST (non-greedy until the first ST) |
| const osc = `(?:\\u001B\\][\\s\\S]*?${ST})`; |
| |
| // CSI and related: ESC/C1, optional intermediates, optional params (supports ; and :) then final byte |
| const csi = '[\\u001B\\u009B][[\\]()#;?]*(?:\\d{1,4}(?:[;:]\\d{0,4})*)?[\\dA-PR-TZcf-nq-uy=><~]'; |
| |
| const pattern = `${osc}|${csi}`; |
| |
| return new RegExp(pattern, onlyFirst ? undefined : 'g'); |
| } |