Regular Expressions 101

^start of line

Character Class[{]?

?matches at most one character from the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

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)

Character Class[-]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 1([0-9a-fA-F]{4}[-]?){3}

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

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)

Character Class[-]?

?matches at most one character from the set below:

-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)

Character Class[}]?

?matches at most one character from the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

$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}[-]?){3}[0-9a-fA-F]{12}[}]?$

New

8be94c81-a218-42f5-bf1b-383f15490d42
0C885DD3-7DD9-484B-9B20-3E6552BCA144
{0C885DD3-7DD9-484B-9B20-3E6552BCA144}
0C885DD37DD9484B9B203E6552BCA144
{0C885DD3-7DD9-484B-9B20-1E6552BCA144}
0C885DD3-7DD9484B9B203E6552BCA144
0C885DD37DD9484B9B203E6552BCA14