Regular Expressions 101

Pro

1st Alternative(\d{2}-\d{2}-\d{4})

Group 1(\d{2}-\d{2}-\d{4})

\d{2}a digit, repeated exactly 2 times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d{2}a digit, repeated exactly 2 times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d{4}a digit, repeated exactly 4 times

2nd Alternative(\d{2}-\w*-\d{2})

Group 2(\d{2}-\w*-\d{2})

\d{2}a digit, repeated exactly 2 times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\w*any word character, repeated any number of times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d{2}a digit, repeated exactly 2 times

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

(\d{2}-\d{2}-\d{4})|(\d{2}-\w*-\d{2})

New

14-02-1996 or 14-FEB-96

14-02-1996 or 14-FEB-96