In this case, that regex is constructed by or 'ing together all of the words specified in the script's s: words list variable (that is: join (s: words, '\ |')).
在本例中，正则表达式的构建方式是对脚本s： words list变量中指定的所有单词执行or运算(即join (s： words，' \ | '))。
2
EDDR786 join(s) Standard Miss(ed) Approach Procedure, contact(ing) Chengdu control.
EDDR786 加入标准复飞程序， 联系成都控制塔。
3
Whabout was the direction ing flow of U. S. territoriing expansion?