package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?<=var)(((\s+[\$\w]+[^\n{]*);)(\s+)var)(\s*)(?=(?2))`)
var str = `{
var $jqueryFoo = 'foo';
var bar = 'bar';
}
{
var foo = require('/foo');
var bar = require('/bar');
var foobar = require('/foobar');
}
{
var foo = 'foo';
var bar = 'bar';
var baz;
}
{
var foo = 'foo';
var bar = 'bar';
BAZ = 'baz';
}
{
var foo = 'foo';
var bar = 'bar';
var obj = {
foo: 'foo',
bar: 'bar'
};
}`
var substitution = "\3,\4 "
fmt.Println(re.ReplaceAllString(str, substitution))
}
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/