regex101: Python Match Workspace

Pro

Group 1(ISBN[-]*(1[03])*[ ]*(: ){0,1})*

*repeats the group contents below any number of times:

ISBNthe literal text ISBN (case sensitive)

Character Class[-]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 2(1[03])*

*repeats the group contents below any number of times:

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[03]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

Character Class[ ]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

Group 3(: ){0,1}

{0,1}repeats the group contents below at most once:

: the literal text :

Group 4(([0-9Xx][- ]*){13}|([0-9Xx][- ]*){10})

1st Alternative([0-9Xx][- ]*){13}

Group 5([0-9Xx][- ]*){13}

{13}repeats the group contents below exactly 13 times:

Character Class[0-9Xx]

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

Xthe literal X (88₁₀ / 130₈ / 58₁₆) (case sensitive)

xthe literal x (120₁₀ / 170₈ / 78₁₆) (case sensitive)

Character Class[- ]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative([0-9Xx][- ]*){10}

Group 6([0-9Xx][- ]*){10}

{10}repeats the group contents below exactly 10 times:

Character Class[0-9Xx]

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

Xthe literal X (88₁₀ / 130₈ / 58₁₆) (case sensitive)

xthe literal x (120₁₀ / 170₈ / 78₁₆) (case sensitive)

Character Class[- ]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

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

25 tokens

Regular Expression

(ISBN[-]*(1[03])*[ ]*(: ){0,1})*(([0-9Xx][- ]*){13}|([0-9Xx][- ]*){10})

In his groundbreaking book, "The Theory of Everything," Stephen Hawking explores the fundamental principles that govern the universe. This book, with ISBN 978-0553380163 (or the 10-digit version 9780553380163), delves into complex topics such as black holes, the Big Bang, and the nature of time, making them accessible to a general audience.

Substitution

In his groundbreaking book, "The Theory of Everything," Stephen Hawking explores the fundamental principles that govern the universe. This book, with ISBN 978-0553380163 (or the 10-digit version 9780553380163), delves into complex topics such as black holes, the Big Bang, and the nature of time, making them accessible to a general audience.