Regular Expressions 101

Explanation

Pro

Group 1(\*|@)

1st Alternative\*

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

2nd Alternative@

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group tag(?<tag>[A-Z][a-z]{2,})

Character Class[A-Z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Character Class[a-z]{2,}

{2,}matches at least 2 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\1the text saved by group 1

: the literal text :

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group number1(?<number1>[A-Za-z])

Character Class[A-Za-z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group number2(?<number2>[A-Za-z])

Character Class[A-Za-z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group number3(?<number3>[A-Za-z])

Character Class[A-Za-z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

$end of line

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

(\*|@)(?<tag>[A-Z][a-z]{2,})\1: \[(?<number1>[A-Za-z])\]\|\[(?<number2>[A-Za-z])\]\|\[(?<number3>[A-Za-z])\]\|$

New

*Request*: [I]|[s]|[i]|
*Taggy@: [73]|[73]|[73]|
Should be valid @Taggy@: [v]|[a]|[l]|

*Request*: [I]|[s]|[i]|
*Taggy@: [73]|[73]|[73]|
Should be valid @Taggy@: [v]|[a]|[l]|