regex101: PCRE (Legacy) Substitution Workspace

Pro

1st Alternative(\d)(?=\d*:)(?=.{6}(\d)\d*~.*?(\1;.*?\2_(\d)|\2;.*?\1_(\d)))

Group 1(\d)

\da digit

Positive Lookahead(?=\d*:)

\d*a digit, repeated any number of times

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Positive Lookahead(?=.{6}(\d)\d*~.*?(\1;.*?\2_(\d)|\2;.*?\1_(\d)))

.{6}any character (except for line terminators), repeated exactly 6 times

Group 2(\d)

\da digit

\d*a digit, repeated any number of times

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

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

Group 3(\1;.*?\2_(\d)|\2;.*?\1_(\d))

1st Alternative\1;.*?\2_(\d)

\1the text saved by group 1

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

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

\2the text saved by group 2

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 4(\d)

\da digit

2nd Alternative\2;.*?\1_(\d)

\2the text saved by group 2

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

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

\1the text saved by group 1

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 5(\d)

\da digit

2nd Alternative(\d)(?=\d*~)(?<=(\d)..{6})(?=\d*~.*?(\6;.*?\7_.*?(!|;)|\7;.*?\6_.*?(!|;)))(?=\d*~.*~.*?(\9(.)|\10(.)))

Group 6(\d)

\da digit

Positive Lookahead(?=\d*~)

\d*a digit, repeated any number of times

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

Positive Lookbehind(?<=(\d)..{6})

Group 7(\d)

\da digit

.any character (except for line terminators)

.{6}any character (except for line terminators), repeated exactly 6 times

Positive Lookahead(?=\d*~.*?(\6;.*?\7_.*?(!|;)|\7;.*?\6_.*?(!|;)))

\d*a digit, repeated any number of times

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

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

Group 8(\6;.*?\7_.*?(!|;)|\7;.*?\6_.*?(!|;))

1st Alternative\6;.*?\7_.*?(!|;)

\6the text saved by group 6

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

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

\7the text saved by group 7

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

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

Group 9(!|;)

1st Alternative!

!the literal ! (33₁₀ / 41₈ / 21₁₆)

2nd Alternative;

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

2nd Alternative\7;.*?\6_.*?(!|;)

\7the text saved by group 7

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

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

\6the text saved by group 6

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

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

Group 10(!|;)

1st Alternative!

!the literal ! (33₁₀ / 41₈ / 21₁₆)

2nd Alternative;

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

Positive Lookahead(?=\d*~.*~.*?(\9(.)|\10(.)))

3rd Alternative~.*?~.*?~

Global pattern flags

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

25 tokens

Regular Expression

(\d)(?=\d*:)(?=.{6}(\d)\d*~.*?(\1;.*?\2_(\d)|\2;.*?\1_(\d)))|(\d)(?=\d*~)(?<=(\d)..{6})(?=\d*~.*?(\6;.*?\7_.*?(!|;)|\7;.*?\6_.*?(!|;)))(?=\d*~.*~.*?(\9(.)|\10(.)))|~.*?~.*?~

New

382829:239091~0;0_01_12_23_34_45_56_67_78_89_9!1;1_22_33_44_55_66_77_88_9!9_02;2_43_54_65_76_87_9!8_09_13;3_64_75_86_9!7_08_19_24;4_85_9!6_07_18_29_35;5_06_17_28_39_46;6_27_38_49_57;7_48_59_68;8_69_79;9_8~!0;1~~01234567890

Substitution

$4$5$12$13

382829:239091~0;0_01_12_23_34_45_56_67_78_89_9!1;1_22_33_44_55_66_77_88_9!9_02;2_43_54_65_76_87_9!8_09_13;3_64_75_86_9!7_08_19_24;4_85_9!6_07_18_29_35;5_06_17_28_39_46;6_27_38_49_57;7_48_59_68;8_69_79;9_8~!0;1~~01234567890