How to Validate the TextBox That Only Allows Letters & space

Question

i want to validate the textbox which only accept letters and spaces how i can validate the textbox want the complete code in C#

Bikesh Srivastava · Answer

You can use regex. /^[A-z]+$/

Sajjad Bhatti · Answer

its not working working bro

Sajjad Bhatti · Answer

but how i can use space just like i want to write my full name Sajjad Bhatti is it possible with this regex

Amitesh Verma · Answer

private void textBox1_TextChanged ( object sender  EventArgs e ) { if (! System . Text . RegularExpressions . Regex . IsMatch ( textBox1 . Text  ^[a-zA-Z] )) { MessageBox . Show ( This textbox accepts only alphabetical characters ); textBox1 . Text . Remove ( textBox1 . Text . Length - 1 ); } }