regex101: Java File Header

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Character Class[\/]{1}

{1}matches one character from the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Character Class[\*]{2}

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

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\s*any whitespace character, repeated any number of times

Character Class[\*]

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\s*any whitespace character, repeated any number of times

@categorythe literal text @category (case sensitive)

\sany whitespace character

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 _ (95₁₀ / 137₈ / 5F₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[A-Za-z\.\d_\ ]*

*matches any number of characters from the set below:

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

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\da digit

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\ the literal (32₁₀ / 40₈ / 20₁₆)

\s*any whitespace character, repeated any number of times

Character Class[\*]

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\s*any whitespace character, repeated any number of times

@copyrightthe literal text @copyright (case sensitive)

\sany whitespace character

Copyrightthe literal text Copyright (case sensitive)

\sany whitespace character

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (case sensitive)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[0-9]{4}

{4}matches exactly 4 characters from the set below:

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

Contusthe literal text Contus (case sensitive)

.any character (except for line terminators)

\s*any whitespace character, repeated any number of times

Character Class[\*]

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\s*any whitespace character, repeated any number of times

@licensethe literal text @license (case sensitive)

\sany whitespace character

Group 1(http:\/\/|https:\/\/)

1st Alternativehttp:\/\/

http:the literal text http: (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

2nd Alternativehttps:\/\/

https:the literal text https: (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 2(www.)?

?repeats the group contents below at most once:

wwwthe literal text www (case sensitive)

.any character (except for line terminators)

Group 3([a-zA-Z0-9]+)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

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

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

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

.any character (except for line terminators)

Character Class[a-zA-Z0-9]*

*matches any number of characters from the set below:

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

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

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

.any character (except for line terminators)

Character Class[a-z]{3}

{3}matches exactly 3 characters from the set below:

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

.?optionally matches any character (except for line terminators)

Group 4([a-zA-Z0-9\-\_\&\%\/\.]+)?

?repeats the group contents below at most once:

Character Class[a-zA-Z0-9\-\_\&\%\/\.]+

+matches at least one character from the set below:

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

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

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\&the literal & (38₁₀ / 46₈ / 26₁₆)

\%the literal % (37₁₀ / 45₈ / 25₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\s*any whitespace character, repeated any number of times

Character Class[\*]

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Character Class[\/]

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

25 tokens

Regular Expression

[\/]{1}[\*]{2}\s*[\*]\s*@category\s[A-Za-z_. ][A-Za-z\.\d_\ ]*\s*[\*]\s*@copyright\sCopyright\s\(C\) [0-9]{4} Contus. All rights reserved.\s*[\*]\s*@license\s(http:\/\/|https:\/\/)(www.)?([a-zA-Z0-9]+).[a-zA-Z0-9]*.[a-z]{3}.?([a-zA-Z0-9\-\_\&\%\/\.]+)?\s*[\*][\/]

New

/**
 * @category Hello World Android.
 * @copyright Copyright (C) 2017 Contus. All rights reserved.
 * @license http://www.apache.org/licenses/LICENSE-2.0.1
 */

Extraction

/**
 * @category Hello World Android.
 * @copyright Copyright (C) 2017 Contus. All rights reserved.
 * @license http://www.apache.org/licenses/LICENSE-2.0.1
 */