Regular Expressions 101

Pro

Group 1(group \d+)

group the literal text group (case sensitive)

\d+a Unicode decimal digit, repeated at least once

.+?any Unicode character, repeated at least once

Group 2(.*?)

.*?any Unicode character, repeated any number of times

Positive Lookahead(?=.group|$)

1st Alternative.group

.any Unicode character

groupthe literal text group (case sensitive)

2nd Alternative$

$end of string, or before its final line terminator

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

25 tokens

(group \d+).+?(.*?)(?=.group|$)

New

group 1
name A
name B
name C
group 2
name X
name Y
name Z
group 3
name I
name II
name III

group 1
name A
name B
name C
group 2
name X
name Y
name Z
group 3
name I
name II
name III