change from "first pattern wins" to "last pattern wins", because it f…

…eels more intuitive

README.md

@@ -4,7 +4,7 @@ something that is not easy to achieve with tools like `grep` and `less`.
 
 **Colorexp**
 - uses the Go regexp format, as documented [here](https://pkg.go.dev/regexp/syntax).
-- supports overlapping matches (the color of the first matching pattern will be used)
+- supports overlapping matches (the color for the last pattern that matches will be used)
 
 # Usage
 ```

colorexp.go

@@ -8,7 +8,7 @@ import (
 	"regexp"
 )
 
-const version = "1.0.1"
+const version = "1.0.2"
 
 var foregroundColors = []string{
 	//"\033[30m", // Black
@@ -160,6 +160,7 @@ func main() {
 		os.Exit(1)
 	}
 
+	// Note that the order in regexps is the reverse of the original order, to implement the "last regexp wins" logic
 	var regexps []*regexp.Regexp
 	for _, regexString := range regexStrings {
 		if fixedStrings {
@@ -173,7 +174,8 @@ func main() {
 			_, _ = fmt.Printf("Invalid regular expression: %v\n", err)
 			os.Exit(1)
 		}
-		regexps = append(regexps, re)
+		// insert at the beginning of the slice, to revert the order
+		regexps = append([]*regexp.Regexp{re}, regexps...)
 	}
 
 	var colors []string