谁有将RegExp翻译成“自然语言”的算法？

Question

我想将正则表达式“翻译”成人类可读的解释。

例如：/^[a-z0-9_]{6,18}/将被翻译为：

A string start with 6 to 18 char(s) in a range of a to z, 0 to 9 and _.

Answer 1

Expresso，一个免费的工具，这样做（也做得很好）。

Expresso 3.0 on Microsoft's regular expression Webcast series

Answer 2

使用RegexBuddy（但在我看来是付费的最佳工具），表达式记录如下：

// ^[a-z0-9_]{6,18}
// 
// Options: ^ and $ match at line breaks
// 
// Assert position at the beginning of a line (at beginning of the string or after a line break character) «^»
// Match a single character present in the list below «[a-z0-9_]{6,18}»
//    Between 6 and 18 times, as many times as possible, giving back as needed (greedy) «{6,18}»
//    A character in the range between “a” and “z” «a-z»
//    A character in the range between “0” and “9” «0-9»
//    The character “_” «_»

该工具还允许您在文档中选择一行，并在正则表达式中显示该部分。