Regular Expression related: first character alphabet second onwards alphanumeric+some special characters

Question

I have one question related with regular expression. In my case, I have to make sure that first letter is alphabet, second onwards it can be any alphanumeric + some special char

Answer 1

Try this :

 /^[a-zA-Z]{1}/

where

 ^ -> Starts with 
 [a-zA-Z] -> characters to match 
 {1} -> Only the first character