go-validator/validator — pull request #16 by tutuming (2014-10-07 12:53:54+00:00)
Title: Escape tag contents comma

Now tag contents are simply separated with "," . There's no way to set comma in regexp.
I wrote a fix code for that.

example
```go
type test struct {
A string `validate:"min=0,regexp=^a{3\\,10}"`
}
```

Tag contents can be escaped with double backslash.