Matches a valid English day of the week. It matches short names as well as long names.
| Text | Result |
|---|---|
Sunday
| match |
Sun
| match |
Monday
| match |
Mon
| match |
Tuesday
| match |
Tue
| match |
Wednesday
| match |
Wed
| match |
Thursday
| match |
Thu
| match |
Friday
| match |
Fri
| match |
Saturday
| match |
Sat
| match |