A proper implementation would take a closer look at the replacement string.
恰当的实现应该进一步检查替换字符串。
You can also refer to a subexpression from within a replacement string.
还可以从替换字符串中引用子表达式。
The replacement string may contain references to subsequences captured during the previous match.
替换字符串可能包含对在之前的匹配中捕获的子序列的引用。
Cumulative replace function, can replace the replacement string for prefix and suffix to achieve cumulative.
累加替换功能，能在替换中对替换字符串的前缀和后缀实现累加。
Unfortunately, substitute() expects a fixed string as its replacement value, not a function call.
不幸的是，substitute()要求使用固定的字符串作为它的替代值，而不是一个函数调用。
Replacement: the string that will replace the found string.
Replacement：将替换所找到字符串的字符串。
Replacement might be a different matter though, as the string does not need to move.
尽管替换可能是一件不同的事情，字符串不需要移动。
The string of replacement is read from a file.
从文件读取的字符串替换。
The string of replacement is read from a file.
从文件读取的字符串替换。
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