Regular Expressions 101

Explanation

Pro

^start of line

Group INUSE(?<INUSE>[* ])

Character Class[* ]

*the literal * (42₁₀ / 52₈ / 2A₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group BSSID(?<BSSID>(?<BSSID0>[0-9A-F]{2}):(?<BSSID1>[0-9A-F]{2}):(?<BSSID2>[0-9A-F]{2}):(?<BSSID3>[0-9A-F]{2}):(?<BSSID4>[0-9A-F]{2}):(?<BSSID5>[0-9A-F]{2}))

Group BSSID0(?<BSSID0>[0-9A-F]{2})

Character Class[0-9A-F]{2}

{2}matches exactly 2 characters from the set below:

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

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group BSSID1(?<BSSID1>[0-9A-F]{2})

Character Class[0-9A-F]{2}

{2}matches exactly 2 characters from the set below:

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

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group BSSID2(?<BSSID2>[0-9A-F]{2})

Character Class[0-9A-F]{2}

{2}matches exactly 2 characters from the set below:

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

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group BSSID3(?<BSSID3>[0-9A-F]{2})

Character Class[0-9A-F]{2}

{2}matches exactly 2 characters from the set below:

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

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group BSSID4(?<BSSID4>[0-9A-F]{2})

Character Class[0-9A-F]{2}

{2}matches exactly 2 characters from the set below:

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

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group BSSID5(?<BSSID5>[0-9A-F]{2})

Character Class[0-9A-F]{2}

{2}matches exactly 2 characters from the set below:

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

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group SSID(?<SSID>.*?(?=:))

.*?any character (except for line terminators), repeated any number of times

Positive Lookahead(?=:)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group MODE(?<MODE>.*?(?=:))

.*?any character (except for line terminators), repeated any number of times

Positive Lookahead(?=:)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group CHAN(?<CHAN>.*?(?=:))

.*?any character (except for line terminators), repeated any number of times

Positive Lookahead(?=:)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group RATE(?<RATE>.*?(?=:))

.*?any character (except for line terminators), repeated any number of times

Positive Lookahead(?=:)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group SIGNAL(?<SIGNAL>\d{1,3}(?=:))

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

Positive Lookahead(?=:)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group BARS(?<BARS>.*?(?=:))

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group SECURITY(?<SECURITY>.*?(?=:))

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group FREQ(?<FREQ>.*?(?=:))

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group DEVICE(?<DEVICE>.*)

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

^(?<INUSE>[* ]):(?<BSSID>(?<BSSID0>[0-9A-F]{2}):(?<BSSID1>[0-9A-F]{2}):(?<BSSID2>[0-9A-F]{2}):(?<BSSID3>[0-9A-F]{2}):(?<BSSID4>[0-9A-F]{2}):(?<BSSID5>[0-9A-F]{2})):(?<SSID>.*?(?=:)):(?<MODE>.*?(?=:)):(?<CHAN>.*?(?=:)):(?<RATE>.*?(?=:)):(?<SIGNAL>\d{1,3}(?=:)):(?<BARS>.*?(?=:)):(?<SECURITY>.*?(?=:)):(?<FREQ>.*?(?=:)):(?<DEVICE>.*)

New

 :EA:55:A8:2C:DA:3A:my-wifi-ssid:Infra:11:130 Mbit/s:92:▂▄▆█:WPA2:2462 MHz:wlp2s0