如何将正则表达式用于茉莉花匹配器 [英] How to use regex for jasmine matchers

问题描述

我需要验证文本标签，但是它包含动态部分，因此我尝试使用正则表达式，但是它不起作用.

I need to verify the text label but it contains dynamic part, so I try to use regex but it doesn't work.

expect(aboutPage.userInterfaceText.getText()).toMatch('/- User Interface: v \d+\.\d+\.\d+/');

我总是会遇到下一个错误:

I always get next error:

- Expected '- User Interface: v 4.4.63' to match '/- User Interface: v d+.d+.d+/'.

推荐答案

- Expected '- User Interface: v 4.4.63' to match '/- User Interface: v d+.d+.d+/'.

您可以看到，模式两端的斜杠也包含在表达式中，但是您的- User Interface: v 4.4.63测试字符串不包含斜杠.

As you can see the slashes at both ends of the pattern are also included into the expression, but your - User Interface: v 4.4.63 test string does not contain the slashes.

您不应将正则表达式括在单引号中，以使其成为在控制台上为我工作:

> var s = "- User Interface: v 4.4.63";
> var re = /- User Interface: v \d+\.\d+\.\d+/;
> s.match(re)
["- User Interface: v 4.4.63"]

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