Shulou(Shulou.com)06/02 Report--

Editor to share with you how the JS regular expression gets the string after the specified character and before the specified character, I believe most people don't know much about it, so share this article for your reference. I hope you can learn a lot after reading this article. Let's learn about it together.

A common scene, get: tag background picture link:

For example, the string var bgImg = "url"

(\ "https://cache.yisu.com/upload/information/20201208/267/25728.jpg\")";

Script:

Var backgroundImageRegex=/ (? 0) {alert (matchResult [0]);}

Highlight:

0-Special character: () "these three need to be escaped

1-after getting the specified string: (?

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