Regular Expressions 101

\ban ASCII word boundary

Non-Capturing Group(?:\d{2}\/\d{4}|\d{2}(?:\/\d{2}\/\d{4})?)

1st Alternative\d{2}\/\d{4}

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

2nd Alternative\d{2}(?:\/\d{2}\/\d{4})?

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

Non-Capturing Group(?:\/\d{2}\/\d{4})?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

\ban ASCII word boundary

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.

Search reference

Regular Expression

\b(?:\d{2}\/\d{4}|\d{2}(?:\/\d{2}\/\d{4})?)\b

New

12/12/2014.

I'm also trying to satisfy 12 and 12/2014.


the response value 10 (from here I want to extract 10)
the response value 10/12/2014 (from here I want to extract 10/12/2014)
the response value 08/2015 (from here I want to extract 08/2015)