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This article mainly explains "javascript how to specify the lower limit of matching", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "javascript how to specify the lower limit of matching" bar!

Description

1. The quantity specifier using curly braces can be used to specify the upper and lower limits of the matching pattern. Sometimes, however, you only want to specify the lower limit of the matching pattern, not the upper limit.

2. Follow the first number with a comma.

Example

The regular expression haRegex is required to be modified to match the word Hazzah that contains four or more letters z. Let haStr = "Hazzzzah"; let haRegex = / change/; / / modify this line let result = haRegex.test (haStr); see let haStr = "Hazzzzah"; let haRegex = / Haz {4,} ah/; / / modify this line let result = haRegex.test (haStr) Thank you for your reading, the above is the content of "how to specify the lower limit of matching in javascript". After the study of this article, I believe you have a deeper understanding of how to specify the lower limit of matching in javascript, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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