USING BUILT IN VALIDATOR -17
USING BUILT IN VALIDATOR
1.BUILT IN VALIDATOR USE KORTE SAITA IMPORT KORE NETA hoi
from django.core import validators
2.name field a built in validator lagaichi
from django import forms
from django.core import validators
class Students(forms.Form):
name=forms.CharField(validators=[validators.MaxLengthValidator(5)])
email=forms.EmailField()
feedback=forms.CharField(widget=forms.Textarea)
3.######## ######## ######## Built in validator aivabe edit kore lagate pari##################
4.name er khatre lagaichi name 's' chara shuru holeneba na
from django import forms
from django.core import validators
def start_with_s(value):
if value[0]!='s':
raise forms.ValidationError("name should be start with s")
class Students(forms.Form):
name=forms.CharField(validators=[start_with_s])
email=forms.EmailField()
feedback=forms.CharField(widget=forms.Textarea)
AMRA AITA E USE KORBO ALLTIME***********************************************
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