未实现保留字符的自动转义(这么解释)。

Automatic escaping of reserved characters has not been implemented.

youdao

这里唯一的陷阱是需要正确地转义保留字符(参见表1)。

The only pitfall here is that you need to escape reserved characters properly (see Table 1).

youdao

由于模式是正则表达式，应确保转义正则表达式中的任何保留字符。

Since the pattern is a regular expression, be sure to escape any characters that are reserved characters in regular expressions.

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