func (v Engine) ReplaceAll(old, new string) Engine {
	return v.Replace(old, new, -1)
}
ReplaceAll replace all text
package zvalid
import (
	"strings"
	"golang.org/x/crypto/bcrypt"
	"github.com/sohaha/zlsgo/zstring"
)
func (v Engine) Trim() Engine {
	return pushQueue(v, func(v Engine) Engine {
		if notEmpty(&v) {
			v.value = zstring.TrimSpace(v.value)
		}
		return v
	})
}
func (v Engine) RemoveSpace() Engine {
	return pushQueue(v, func(v Engine) Engine {
		if notEmpty(&v) {
			v.value = strings.Replace(v.value, " ", "", -1)
		}
		return v
	})
}
func (v Engine) Replace(old, new string, n int) Engine {
	return pushQueue(v, func(v Engine) Engine {
		if notEmpty(&v) {
			v.value = strings.Replace(v.value, old, new, n)
		}
		return v
	})
}