Regular Expressions 101

1st Alternative(?<ipaddress>\d{1,3}(?:\.\d{1,3}){3})

Group ipaddress(?<ipaddress>\d{1,3}(?:\.\d{1,3}){3})

\d{1,3}a digit, repeated between 1 and 3 times

Non-Capturing Group(?:\.\d{1,3}){3}

{3}repeats the group contents below exactly 3 times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{1,3}a digit, repeated between 1 and 3 times

2nd Alternative(?<Phonenumber>\d{10})

Group Phonenumber(?<Phonenumber>\d{10})

\d{10}a digit, repeated exactly 10 times

3rd Alternative(?<Date>\d{1,2}\/\d{1,2}\/\d{4})

Group Date(?<Date>\d{1,2}\/\d{1,2}\/\d{4})

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?<ipaddress>\d{1,3}(?:\.\d{1,3}){3})|(?<Phonenumber>\d{10})|(?<Date>\d{1,2}\/\d{1,2}\/\d{4})

New

rahul shinde 11.23.52.26 rshinde@gmail.com 12/5/2014 testing string 9856245136 12.26.5.56 7756231586 Testing 12/5/1991