Check If first character is "+"

Question

How can i detect string is start with "+"

I tried
^\s*?\+.*$
but no help.

P.s: I have only one line alltime.

Answer 1

You don't need \s*?, you have to use:

^\+
or...
^[+]

In case you want to check a complete string, you can use:

^\+.*$

Working demo