暴力匹配(BruteForce)

遍历文本串每一个字符，依次匹配模式串

核心代码

export function bruteForce(text: string, pattern: string): number {
    const len = pattern.length;
    for (let i = 0; text[i]; i++) {
        const substr = text.substr(i, len);
        if (substr === pattern) return i;
    }
    return -1;
}