Function regExpLeadsToEndlessLoop

src/test/datascience/wordHelper.ts:154–166

(regexp: RegExp)

}

export function regExpLeadsToEndlessLoop(regexp: RegExp): boolean {
    // Exit early if it's one of these special cases which are meant to match
    // against an empty string
    if (regexp.source === '^' || regexp.source === '^$' || regexp.source === '$' || regexp.source === '^\\s*$') {
        return false;
    }

    // We check against an empty string. If the regular expression doesn't advance
    // (e.g. ends in an endless loop) it will match an empty string.
    const match = regexp.exec('');
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    return !!(match && <any>regexp.lastIndex === 0);
}

export const DefaultWordPattern =
    /(-?\d*\.\d\w*)|([^\`\~\!\@\#\%\^\&\*\(\)\-\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\?\s]+)/g;