Fix pattern check for token

Currently, Github might have token in the following format:
ghp_I1M4zc8z4Qi8c5KNf93KyBHGkP9Azq00Bup1

So we need to include underscore.

Also, add pattern for hyphen and consider the case more than 40
characters.

1 files changed, 1 insertions, 1 deletions

diff --git a/gist b/gist
index c2f6e5f..c38d5b8 100755
--- a/gist
+++ b/gist
@@ -178,7 +178,7 @@ _ask_token() {
     python -mwebbrowser https://github.com/settings/tokens/new?scopes=gist
   fi
 
-  while [[ ! $token =~ ^[[:alnum:]]{40}$ ]]; do
+  while [[ ! $token =~ ^[[:alnum:]_-]{40,}$ ]]; do
     [[ -n $token ]] && echo "Invalid token"
     read -r -p "Paste your token here (Ctrl-C to skip): " token </dev/tty
   done