regex101: GUID (Any Format)

1st Alternative(?n)(?i:{[a-f\d]{8}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{12}})

(?n)applies the following effective flags to the remainder of the pattern: gxn

n modifier: no capture. Treats unnamed capturing groups () as non-capturing groups (?:)

Group with flags gxni(?i:{[a-f\d]{8}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{12}})

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

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Character Class[a-f\d]{8}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{4}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{4}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{4}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{12}

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

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

\da digit

}the literal } (125₁₀ / 175₈ / 7D₁₆)

2nd Alternative (?i:\([a-f\d]{8}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{12}\))

Group with flags gxni(?i:\([a-f\d]{8}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{12}\))

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

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Character Class[a-f\d]{8}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{4}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{4}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{4}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{12}

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

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

\da digit

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

3rd Alternative (?i:[a-f\d]{8}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{12})

Group with flags gxni(?i:[a-f\d]{8}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{12})

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

Character Class[a-f\d]{8}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{4}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{4}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{4}

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

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

\da digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-f\d]{12}

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

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

\da digit

4th Alternative {0x[a-fA-F\d]{8},0x[a-fA-F\d]{4},0x[a-fA-F\d]{4},{0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2}}}

{0xthe literal text {0x (case sensitive)

Character Class[a-fA-F\d]{8}

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

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

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

\da digit

,0xthe literal text ,0x (case sensitive)

Character Class[a-fA-F\d]{4}

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

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

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

\da digit

,0xthe literal text ,0x (case sensitive)

Character Class[a-fA-F\d]{4}

,{0xthe literal text ,{0x (case sensitive)

Character Class[a-fA-F\d]{2}

,0xthe literal text ,0x (case sensitive)

Character Class[a-fA-F\d]{2}

,0xthe literal text ,0x (case sensitive)

Character Class[a-fA-F\d]{2}

,0xthe literal text ,0x (case sensitive)

Character Class[a-fA-F\d]{2}

,0xthe literal text ,0x (case sensitive)

Character Class[a-fA-F\d]{2}

,0xthe literal text ,0x (case sensitive)

Character Class[a-fA-F\d]{2}

,0xthe literal text ,0x (case sensitive)

Character Class[a-fA-F\d]{2}

,0xthe literal text ,0x (case sensitive)

Character Class[a-fA-F\d]{2}

}} the literal text }}

Global pattern flags

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

Search reference

Regular Expression

(?n)(?i:{[a-f\d]{8}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{12}})|
(?i:\([a-f\d]{8}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{12}\))|
(?i:[a-f\d]{8}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{4}-?[a-f\d]{12})|
{0x[a-fA-F\d]{8},0x[a-fA-F\d]{4},0x[a-fA-F\d]{4},{0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2},0x[a-fA-F\d]{2}}}

Test String
New

string str = @"
    50de1696-8c63-4856-a204-7f4d93082da8
    AB9B479D-3E48-49B7-A3B9-3BEC6ADEE344
    d1ce1bec29434df09a03fc0605a2b481
    DC9A9DA1D9D448DA8B9BDC401E20BA69
    {8f60f165-38f9-42ad-95d2-22b746de1cba}
    {DC9A9DA1-D9D4-48DA-8B9B-DC401E20BA69}
    (f4e06eae-58d2-4daa-9f2d-917f622d23ea)
    (DC9A9DA1-D9D4-48DA-8B9B-DC401E20BA69)
    {0xB7D3E6C4,0x7FA6,0x4C48,{0xBA,0x0A,0x44,0x58,0x9D,0x14,0xE5,0x12}}
    {0xf3ffac91,0xc8cd,0x434d,{0x9f,0x2d,0x78,0x93,0x9b,0xa4,0x82,0x1d}}
";

Regular Expressions 101

Regular Expression

Test String
New

Extraction
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Regular Expression

Test StringNew

ExtractionProcessing...

Test String
New

Extraction
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