Regular Expressions 101

Pro

Character Class[0-9A-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 (65₁₀) to F (70₁₀) (case insensitive)

Non-Capturing Group(?:-[0-9A-F]{4}){3}

{3}repeats the group contents below exactly 3 times:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9A-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 (65₁₀) to F (70₁₀) (case insensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9A-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 (65₁₀) to F (70₁₀) (case insensitive)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

26 tokens

[0-9A-F]{8}(?:-[0-9A-F]{4}){3}-[0-9A-F]{12}

5c251366-f548-4aaf-a1cc-3dc3372d1302
c54579ac-1e3c-41ab-a020-1eaf2de425ab

5c251366-f548-4aaf-a1cc-3dc3372d1302
c54579ac-1e3c-41ab-a020-1eaf2de425ab