index.js•590 B
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');
}