fix(component): 修复textarea高亮功能正则匹配bug #247
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textarea高亮功能，传入规则匹配时，会把匹配到的匹配项作为正则处理。
匹配项中包含[]等正则特殊含义字符时，会导致高亮替换不符合预期。
例：使用.*匹配到[127.0.0.1]，会匹配[]中的9个字符，
最终替换结果变为: [[127.0.0.1][127.0.0.1][127.0.0.1][127.0.0.1][127.0.0.1][127.0.0.1][127.0.0.1][127.0.0.1][127.0.0.1]]