Regular Expressions 101

Character Class[({]?

?matches at most one character from the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Character Class[a-fA-F0-9]{8}

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

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

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

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

Character Class[-]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 1([a-fA-F0-9]{4}[-]?){3}

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

Character Class[a-fA-F0-9]{4}

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

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

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

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

Character Class[-]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-fA-F0-9]{12}

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

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

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

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

Character Class[})]?

?matches at most one character from the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

[({]?[a-fA-F0-9]{8}[-]?([a-fA-F0-9]{4}[-]?){3}[a-fA-F0-9]{12}[})]?

New

/page/1d58e797-a905-403f-ebd9-27ccf3f1d2cd/user/4d58e797-a905-403f-ebd9-27ccf3f1d2c3