^start of line
.{0,1}optionally matches any character (except for line terminators)
?repeats the group contents below at most once:
陪我一起the literal text 陪我一起 听?optionally matches the literal 听 (2154810 / 520548 / 542C16)
你?optionally matches the literal 你 (2032010 / 475408 / 4F6016)
?repeats the group contents below at most once:
再the literal 再 (2087710 / 506158 / 518D16)
快the literal 快 (2455510 / 577538 / 5FEB16)
先the literal 先 (2080810 / 505108 / 514816)
能?optionally matches the literal 能 (3302110 / 1003758 / 80FD16)
?repeats the group contents below at most once:
唱?optionally matches the literal 唱 (2180910 / 524618 / 553116)
?repeats the group contents below at most once:
啊the literal 啊 (2183410 / 525128 / 554A16)
一?optionally matches the literal 一 (1996810 / 470008 / 4E0016)
个the literal 个 (2001010 / 470528 / 4E2A16)
吧the literal 吧 (2154310 / 520478 / 542716)
一?optionally matches the literal 一 (1996810 / 470008 / 4E0016)
首the literal 首 (3931810 / 1146268 / 999616)
歌?optionally matches the literal 歌 (2746810 / 655148 / 6B4C16)
?repeats the group contents below at most once:
?repeats the group contents below at most once:
吧the literal 吧 (2154310 / 520478 / 542716)
啊the literal 啊 (2183410 / 525128 / 554A16)
哇the literal 哇 (2170310 / 523078 / 54C716)
呗the literal 呗 (2159110 / 521278 / 545716)
呀the literal 呀 (2156810 / 521008 / 544016)
Group 7((好(么|嘛|吗))|好不好|小万|亲爱的|这么难)? ?repeats the group contents below at most once:
1st Alternative(好(么|嘛|吗)) 好the literal 好 (2290910 / 545758 / 597D16)
.{0,1}optionally matches any character (except for line terminators)
$end of line
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string