1.取左子串2.取右子串3.去除字符串空格及TAB及回车换行 4.替换字符串5.一个文件有很多行,每行的宽度是固定的,例如都是 100个字符. 给出一个字符串序列,在指定的宽度处加上空格,生成新文件. -1. Take the left sub-string 2. Get the right sub-string 3. Remove the spaces and TAB, and enter the string line 4. Replace string 5. A file has

Replace standard string functions with safe functions if available.

TODO(wan@google.com): replace this class with std::string or implement it in terms of the latter.

To fix this, we scan over the string and replace the first non-digits, except for a leading - , with a . . -To fix this, we scan over the string and replace the first non-digits, except for a leading - , with a . .