Regular Expressions 101

^start of line

Group 1((介绍|说说|讲讲)(一下|介绍)?)?

?repeats the group contents below at most once:

Group 2(介绍|说说|讲讲)

1st Alternative介绍

介绍the literal text 介绍

2nd Alternative说说

说说the literal text 说说

3rd Alternative讲讲

讲讲the literal text 讲讲

Group 3(一下|介绍)?

?repeats the group contents below at most once:

1st Alternative一下

一下the literal text 一下

2nd Alternative介绍

介绍the literal text 介绍

Group 4(#是(什么|啥)(东西|玩意|哪(里|儿)|意思)?|(什么|啥)是#)

1st Alternative#是(什么|啥)(东西|玩意|哪(里|儿)|意思)?

#是the literal text #是

Group 5(什么|啥)

1st Alternative什么

什么the literal text 什么

2nd Alternative啥

啥the literal 啥 (21861₁₀ / 52545₈ / 5565₁₆)

Group 6(东西|玩意|哪(里|儿)|意思)?

?repeats the group contents below at most once:

1st Alternative东西

东西the literal text 东西

2nd Alternative玩意

玩意the literal text 玩意

3rd Alternative哪(里|儿)

哪the literal 哪 (21738₁₀ / 52352₈ / 54EA₁₆)

Group 7(里|儿)

1st Alternative里

里the literal 里 (37324₁₀ / 110714₈ / 91CC₁₆)

2nd Alternative儿

儿the literal 儿 (20799₁₀ / 50477₈ / 513F₁₆)

4th Alternative意思

意思the literal text 意思

2nd Alternative(什么|啥)是#

Group 8(什么|啥)

1st Alternative什么

什么the literal text 什么

2nd Alternative啥

啥the literal 啥 (21861₁₀ / 52545₈ / 5565₁₆)

是#the literal text 是#

Group 9(啊|呀|呢|阿)?

$end of line

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^((介绍|说说|讲讲)(一下|介绍)?)?(#是(什么|啥)(东西|玩意|哪(里|儿)|意思)?|(什么|啥)是#)(啊|呀|呢|阿)?$

New

介绍一下#
给我说说#
给我介绍一下#吧

说说#是什么
介绍一下#是啥
什么是#
#是啥啊

|#的?(简介|介绍)

Regular Expression

Substitution