How to create custom mobile number validation in Wordpress contact form 7 plugin is it possible please help me. Actually i want to only valid mobile number is allowed this field not taken any other character for ex- 9708644571
To use the phone number validation , you need to put the number field as per example given below.
[number* your-number min:9 max:10 step:3 class:required "40"]
Reference link : CF7