Regular Expressions 101

Explanation

Pro

Non-Capturing Group(?:[0-9]{1,3}\.){3}

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

Character Class[0-9]{1,3}

{1,3}matches between 1 and 3 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]{1,3}

{1,3}matches between 1 and 3 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Positive Lookahead(?=\s|\)|$)

1st Alternative\s

\sany whitespace character

2nd Alternative\)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

3rd Alternative$

$end of string, or before its final line terminator

Global pattern flags

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(?:[0-9]{1,3}\.){3}[0-9]{1,3}(?=\s|\)|$)

New

Nmap scan report for whm.ixcsoft.com.br (45.174.128.220)
Host is up (0.047s latency).
Nmap scan report for 231.128.174.45.ixcsoft.com.br (45.174.128.231)
Host is up (0.048s latency).
Nmap scan report for 192.168.25.2
Host is up (0.048s latency).
Nmap scan report for 192.168.25.3
Host is up (0.048s latency).