Regular Expressions 101

^start of line

Character Class[0-9a-fA-F]{8}

{8}matches exactly 8 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9a-fA-F]{4}

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

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9a-fA-F]{4}

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

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9a-fA-F]{4}

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

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9a-fA-F]{12}

{12}matches exactly 12 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

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

$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.

Search reference

Regular Expression

^[0-9a-fA-F]{8}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{12}$

New

ccc7c43c-8f4f-4963-a8f5-b2a7dfc2711a
018b587c851a7c9488eaf59f5c6dc701
6edf08d2-7102-11ee-b962-0242ac120002
6edf08d2-7102-11ee-b9623-0242ac12002
018b587c-851a-7c94-88ea-f59f5c6dc701
018b587c-851a-7c94-88ea-f59f5c6dcx01
218b5876-851a-7c94-uuea-f59f5c6dc701

// You can show origina post on albertcolom.com/blog

Regular Expression

Extraction