Regular Expressions 101

1st Alternative6[5-9]

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

Character Class[5-9]

5-9one character from 5 (53₁₀) to 9 (57₁₀)

2nd Alternative[78]\d

Character Class[78]

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

\da digit

3rd Alternative9[0789]

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

Character Class[0789]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

4th Alternative1[01]\d

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[01]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

\da digit

5th Alternative12[012]

12the literal text 12

Character Class[012]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

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

6[5-9]|[78]\d|9[0789]|1[01]\d|12[012]

New

1234567
12345C

3456789
345CY

9865432
bA432

6566676869707172737475767778798081828384858687888990
ABCDEFGHIJKLMNOPQRSTUVWXYZ

6711110010100071111108102
Code000Golf

Extraction

1234567
12345C

3456789
345CY

9865432
bA432

6566676869707172737475767778798081828384858687888990
ABCDEFGHIJKLMNOPQRSTUVWXYZ

6711110010100071111108102
Code000Golf