If possible, make sure your format doesn't accept any characters that have syntactic meaning in SQL (such as double-quote and semicolon).
如果可能，确保您的格式不会接受sql语法中的任何有语法含意的字符(例如双引号和分号)。
2
One important use of the vertical bar as a statement separator is in commenting. Vimscript comments start with a double-quote and continue to the end of the line, like so.
竖线作为语句分隔符的一个重要用途体现在注释中。
3
This regular expression matches the opening doublequote but finds a different type of quote to close it.