Regular Expressions 101

Pro

Negative Lookahead(?!(\d{1,3}\.){3}(\d{1,3}))

Group 1(\d{1,3}\.){3}

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

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(\d{1,3})

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

Group 3([\d \.\-]{6,})

Character Class[\d \.\-]{6,}

{6,}matches at least 6 characters from the set below:

\da digit

the literal (32₁₀ / 40₈ / 20₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

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.

25 tokens

Regular Expression

(?!(\d{1,3}\.){3}(\d{1,3}))([\d \(\)\.\-]{6,})

New

25  33 197 176 44444
143325425
61.206.184
33.180.227 33.180.227
127.33.195.149
61.65.93
25  31.197.176.444
,143325425
23	61.206.184
33 "33.180.227.1 33.180.227
33;33.195.149
61.65.93

Extraction

25  33 197 176 44444
143325425
61.206.184
33.180.227 33.180.227
127.33.195.149
61.65.93
25  31.197.176.444
,143325425
23	61.206.184
33 "33.180.227.1 33.180.227
33;33.195.149
61.65.93