Regular Expressions 101

Pro

1st Alternative(,)?(\d)(\d*)(?=(?=,|:).*?~.*?;0*\2\3_(.)(.{3}))

Group 1(,)?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 2(\d)

\da digit

Group 3(\d*)

\d*a digit, repeated any number of times

Positive Lookahead(?=(?=,|:).*?~.*?;0*\2\3_(.)(.{3}))

Positive Lookahead(?=,|:)

1st Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2nd Alternative:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

.*?any character (except for line terminators), repeated any number of times

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

.*?any character (except for line terminators), repeated any number of times

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

0*the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated any number of times

\2the text saved by group 2

\3the text saved by group 3

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 4(.)

.any character (except for line terminators)

Group 5(.{3})

.{3}any character (except for line terminators), repeated exactly 3 times

2nd Alternative(,)(\d)(\d{3})(?=(?=,|:))

Group 6(,)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 7(\d)

\da digit

Group 8(\d{3})

\d{3}a digit, repeated exactly 3 times

Positive Lookahead(?=(?=,|:))

Positive Lookahead(?=,|:)

1st Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2nd Alternative:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

3rd Alternative(:)(\d)

Group 9(:)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 10(\d)

\da digit

4th Alternative(#)(?=\d)(?=.*(,))

Group 11(#)

#the literal # (35₁₀ / 43₈ / 23₁₆)

Positive Lookahead(?=\d)

\da digit

Positive Lookahead(?=.*(,))

.*any character (except for line terminators), repeated any number of times

Group 12(,)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(,)?(\d)(\d*)(?=(?=,|:).*?~.*?;0*\2\3_(.)(.{3}))|(,)(\d)(\d{3})(?=(?=,|:))|(:)(\d)|(#)(?=\d)(?=.*(,))

New

#:10100010~;0101_1000;0110_1001;0111_1010;1000_1011;1001_1100;1010_1101;1011_1110;1100_1111,~0000_00001_10010_20011_30100_40101_50110_60111_71000_81001_9

Substitution

$4$7$1$6$5$8$10$9$11$12

#:10100010~;0101_1000;0110_1001;0111_1010;1000_1011;1001_1100;1010_1101;1011_1110;1100_1111,~0000_00001_10010_20011_30100_40101_50110_60111_71000_81001_9