Matching Integers

Let’s learn how to match integers using regular expressions in Go.

The presented utility matches both signed and unsigned integers—this is implemented in the way we define the regular expression. If we only want unsigned integers, then we should remove the [-+]? from the regular expression or replace it with [+]?.

Coding example

The matchInt() function that supports the desired functionality (defined in the intRE.go) is implemented as follows:

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