Regular Expressions 101

Pro

\ba Unicode word boundary

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

Non-Capturing Group(?:(?!/))

Negative Lookahead(?!/)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\ba Unicode 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.

25 tokens

\b\d{1,2}/\d{1,2}(?:(?!/))\b

New

String1 = "John Lennon died on 08/12/80"
String2 = “Labor day is on 1/5"
String3 = “Wikipedia was launched on 15/1/2001” 
15/1/2011
15/1//201

String1 = "John Lennon died on 08/12/80"
String2 = “Labor day is on 1/5"
String3 = “Wikipedia was launched on 15/1/2001” 
15/1/2011
15/1//201