Regular Expression

Question

Please give me a regular expression which satisfy Charrecters and numbers  anu  anish anu897 invalid --------> can anybody help me??????

Kirtan Patel · Answer

Hi Dear Here is what you want :) dont forget to mark  Do you like answer  please it will give me some credits :) protected void Button1_Click( object sender EventArgs e) { Regex reg = new Regex ( ^an[a-z]*[a-zA-Z0-9]*$ ); //check if matched or Not if (reg.IsMatch(TextBox1.Text.Trim())== true ) { Page.RegisterClientScriptBlock(    alert('Invalid!!!')  ); } }