regex101: Path Manipulation (Input Validation and Representation, Data Flow)

Explanation

Pro

^start of line

Group 1(\\|[a-zA-Z]:)

1st Alternative\\

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

2nd Alternative[a-zA-Z]:

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 2(\\\w[\w-.]*){2,}

{2,}repeats the group contents below at least 2 times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

\wany word character

Character Class[\w-.]*

*matches any number of characters from the set below:

\wany word character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

Quick Reference

25 tokens

Regular Expression

^(\\|[a-zA-Z]:)(\\\w[\w-.]*){2,}

\\se8p10000683
\\se8p10000683\appdata\aps\apsinstaller\done\abru0103-497-0018855-oav-cc-999-00zfz7g
\\se8p10000683\appdata\aps\apsinstaller\done\00a.bd.con
\\se8p10000683\appdata\aps\..\..\inetpub\ftproot
\\se8p10000683\appdata\aps\..\inetpub\ftproot
\\se8p10000683\appdata\aps\%2e
c:\boot.ini
c:\windows\notepad.exe
p:\appdata\aps\apsinstaller\done\abru0103-497-0018855-oav-cc-999-00zfz7g
p:\appdata\aps\coucou.pdf
\\se8p10000683\appdata\aps\%2e.pdf
\\se8p10000683\appdata\aps\test.pdf