regex101: PCRE (Legacy) Match Workspace

Character Class[a-zA-Z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 1(\\[^\:\\]+)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Negated Character Class[^\:\\]+

+matches at least one character outside the set below:

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Microsoftthe literal text Microsoft (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Windows Defenderthe literal text Windows Defender (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Character Class[a-z-A-Z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

latformthe literal text latform (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Character Class[a-zA-Z0-9]{0,8}

{0,8}matches between 0 and 8 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

.any character (except for line terminators)

Character Class[a-zA-Z0-9]{0,8}

{0,8}matches between 0 and 8 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

.any character (except for line terminators)

Character Class[a-zA-Z0-9]{0,8}

{0,8}matches between 0 and 8 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

.any character (except for line terminators)

Character Class[a-zA-Z0-9]{0,8}

{0,8}matches between 0 and 8 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-zA-Z0-9]{0,8}

{0,8}matches between 0 and 8 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

MsMpEngthe literal text MsMpEng (case sensitive)

.any character (except for line terminators)

exethe literal text exe (case sensitive)

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

Search reference

Regular Expression

[a-zA-Z]:(\\[^\:\\]+)\\Microsoft\\Windows Defender\\[a-z-A-Z]latform\\[a-zA-Z0-9]{0,8}.[a-zA-Z0-9]{0,8}.[a-zA-Z0-9]{0,8}.[a-zA-Z0-9]{0,8}-[a-zA-Z0-9]{0,8}\\MsMpEng.exe

Test String
New

C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.1806.18062-0\MsMpEng.exe

Regular Expression

Test StringNew

Test String
New