Sometimes, we want to define regular expression for number with length of 4, 5 or 6 with JavaScript.
In this article, we’ll look at how to define regular expression for number with length of 4, 5 or 6 with JavaScript.
How to define regular expression for number with length of 4, 5 or 6 with JavaScript?
To define regular expression for number with length of 4, 5 or 6 with JavaScript, we use the \d pattern.
For instance, we write
const re = /\d{4,6}/;
to define the re regex that matches strings with 4 to 6 digits.
\d matches digits.
And {4,6} matches digit groups with length between 4 and 6.
Conclusion
To define regular expression for number with length of 4, 5 or 6 with JavaScript, we use the \d pattern.
