package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`if \(([^\$]+\$\<\>[^ ]+)[^\}]+\(null, ([^;]+)\);\s+}\s+([^;]+)\1(.*;)`)
var str = []byte(`get
{
int num;
lock (this.queueLock)
{
if (Journal.CS$<>9__CachedAnonymousMethodDelegate7 == null)
{
Journal.CS$<>9__CachedAnonymousMethodDelegate7 = new Func<ApiBlob, int>(null, (ApiBlob blob) => Encoding.UTF8.GetByteCount(blob.DataString));
}
num = this.Sum<ApiBlob>(Journal.CS$<>9__CachedAnonymousMethodDelegate7);
}
return num;
}
}`)
var substitution = []byte("\3\2\4")
var count = 1 // negative counter is equivalent to global case (replace all)
str = re.ReplaceAllStringFunc(str, func(s string) string {
if count == 0 {
return s
}
count -= 1
return re.ReplaceAllString(s, substitution)
})
fmt.Println(string(str))
}
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/