Fyne API "validation"

validation


import "fyne.io/fyne/v2/data/validation"

Package validation provides validation for data inside widgets.

Usage

func NewAllStrings

func NewAllStrings(validators ...fyne.StringValidator) fyne.StringValidator

NewAllStrings creates a validator that requires all of the passed string validators to pass. In short, it combines multiple string validators into one.

Since: 2.2

func NewRegexp

func NewRegexp(regexpstr, reason string) fyne.StringValidator

NewRegexp creates a new validator that uses regular expression parsing. The validator will return nil if valid, otherwise returns an error with a reason text.

Since: 1.4

func NewTime

func NewTime(format string) fyne.StringValidator

NewTime creates a new validator that verifies times using time.Parse. The validator will return nil if valid, otherwise returns an error with a reason text. The reference time for the format: Mon Jan 2 15:04:05 -0700 MST 2006. See time.Parse() for more information about the reference time: https://pkg.go.dev/time#Parse

Since: 2.1

types