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

这里唯一的陷阱是需要正确地转义保留字符(参见表1)。

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CDATA is a mechanism for indicating that a portion of the document may contain unescaped reserved characters.

CDATA是表明某一部分文档可能包含非转义保留字符的一种机制。

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

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。

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