diegosouzapw/OmniRoute · error

invalid regex pattern

Error message

invalid regex pattern

What it means

Error "invalid regex pattern" thrown in diegosouzapw/OmniRoute.

Source

Thrown at open-sse/services/compression/engines/ccr/ccrQuery.ts:64

}

function sliceLines(lines: string[], start?: number, end?: number): CcrQueryResult {
  if (typeof start !== "number" || typeof end !== "number" || start < 1 || end < 1) {
    return err("lines requires positive 'start' and 'end' (1-indexed)");
  }
  if (start > end) return err("lines: 'start' must be <= 'end'");
  return ok(lines.slice(start - 1, Math.min(end, lines.length)).join("\n"));
}

function grepLines(lines: string[], pattern?: string, unique?: boolean): CcrQueryResult {
  if (!pattern) return err("grep requires a 'pattern'");
  if (pattern.length > MAX_PATTERN_LEN) return err(`pattern exceeds ${MAX_PATTERN_LEN} chars`);
  if (!safeRegex(pattern)) return err("pattern rejected: potentially catastrophic backtracking");
  let re: RegExp;
  try {
    re = new RegExp(pattern);
  } catch {
    return err("invalid regex pattern");
  }
  const matched: string[] = [];
  let truncated = false;
  for (const line of lines) {
    if (re.test(line)) {
      matched.push(line);
      if (matched.length >= MAX_GREP_MATCHES) {
        truncated = true;
        break;
      }
    }
  }
  const out = unique ? [...new Set(matched)] : matched;
  const body = out.join("\n");
  return ok(truncated ? `${body}\n…[truncated at ${MAX_GREP_MATCHES} matches]` : body);
}

function blockStats(text: string, lines: string[]): CcrQueryResult {

View on GitHub (pinned to a179ffed5b)

When it happens

Trigger: Thrown at open-sse/services/compression/engines/ccr/ccrQuery.ts:64 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of diegosouzapw/OmniRoute@a179ffed5b (2026-08-25). Data as JSON: /api/errors/93eaf786157c08e4. Report an issue: GitHub.