Regular Expressions 101

Pro

Group match(?<match>(?'nine'9|0|1(?&nine)*8|2(?&nine)*7|3(?&nine)*6|4(?&nine)*5|5(?&nine)*4|6(?&nine)*3|7(?&nine)*2|8(?&nine)*1)+)

Group nine(?'nine'9|0|1(?&nine)*8|2(?&nine)*7|3(?&nine)*6|4(?&nine)*5|5(?&nine)*4|6(?&nine)*3|7(?&nine)*2|8(?&nine)*1)+

+repeats the group contents below at least once:

1st Alternative9

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

2nd Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

3rd Alternative1(?&nine)*8

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

(?&nine)*calls group nine as a subroutine, repeated any number of times

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

4th Alternative2(?&nine)*7

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

(?&nine)*calls group nine as a subroutine, repeated any number of times

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

5th Alternative3(?&nine)*6

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

(?&nine)*calls group nine as a subroutine, repeated any number of times

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

6th Alternative4(?&nine)*5

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

(?&nine)*calls group nine as a subroutine, repeated any number of times

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

7th Alternative5(?&nine)*4

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

(?&nine)*calls group nine as a subroutine, repeated any number of times

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

8th Alternative6(?&nine)*3

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

(?&nine)*calls group nine as a subroutine, repeated any number of times

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

9th Alternative7(?&nine)*2

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

(?&nine)*calls group nine as a subroutine, repeated any number of times

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

10th Alternative8(?&nine)*1

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

(?&nine)*calls group nine as a subroutine, repeated any number of times

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

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

(?<match>(?'nine'9|0|1(?&nine)*8|2(?&nine)*7|3(?&nine)*6|4(?&nine)*5|5(?&nine)*4|6(?&nine)*3|7(?&nine)*2|8(?&nine)*1)+)

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