Methods of regular expressions:
Flags | Start matching | Anchored to | Result if match | No match | re.lastIndex | |
---|---|---|---|---|---|---|
exec() | – | 0 | – | Match object | null | unchanged |
/g | re.lastIndex | – | Match object | null | index after match | |
/y | re.lastIndex | re.lastIndex | Match object | null | index after match | |
/gy | re.lastIndex | re.lastIndex | Match object | null | index after match | |
test() | (Any) | (like exec()) | (like exec()) | true | false | (like exec()) |