Regular Expressions 101

(?i)applies the following effective flags to the remainder of the pattern: gmi

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

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 (97₁₀) to f (102₁₀) (case insensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

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

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 (97₁₀) to f (102₁₀) (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 (97₁₀) to f (102₁₀) (case insensitive)

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

(?i)[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}

New

f36b9decc73e40bfb9a6250198a83fc0/SharePoint/source_28D4CE4DFC53AABB34B41E17BE9DEBBC/item__6761c90b-c1e0-4a91-b72c-e044e5b8cc56_1.0

F36B9DECC73E40BFB9A6250198A83FC0/SHAREPOINT/SOURCE_28D4CE4DFC53AABB34B41E17BE9DEBBC/ITEM__6761C90B-C1E0-4A91-B72C-E044E5B8CC56_1.0

Regular Expression

Substitution