package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`\s*(input|output|inout)\s+(wire\s*|reg\s*)?\s*(\[(\d+):(\d+)\])?\s*(\w+)?`)
var str = `x
input z
input [1:0] az
input wire [1:0] za
input wire [1:0]
y
z
output [12:0] a
`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/