regex101: RegEx for matching PDF files in browser

^start of line

Group Root(?P<Root>file\:\/\/\/(?:[A-Za-z]+):(?:\/|\\)|https\:\/\/)

1st Alternativefile\:\/\/\/(?:[A-Za-z]+):(?:\/|\\)

filethe literal text file (case sensitive)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:[A-Za-z]+)

Character Class[A-Za-z]+

+matches at least one character from the set below:

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

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Non-Capturing Group(?:\/|\\)

1st Alternative\/

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

2nd Alternative\\

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

2nd Alternativehttps\:\/\/

httpsthe literal text https (case sensitive)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group Relative(?P<Relative>(?:(?:[^<>:"\/\\|?*\n])+(?:\/|\\))+)

Non-Capturing Group(?:(?:[^<>:"\/\\|?*\n])+(?:\/|\\))+

+repeats the group contents below at least once:

Non-Capturing Group(?:[^<>:"\/\\|?*\n])+

+repeats the group contents below at least once:

Negated Character Class[^<>:"\/\\|?*\n]

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

\na line-feed (newline) character (ASCII 10)

Non-Capturing Group(?:\/|\\)

1st Alternative\/

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

2nd Alternative\\

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Group File(?P<File>(?:[^<>:"\/\\|?*\n]+)(?:\.(?:pdf)))

Non-Capturing Group(?:[^<>:"\/\\|?*\n]+)

Negated Character Class[^<>:"\/\\|?*\n]+

+matches at least one character outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

\na line-feed (newline) character (ASCII 10)

Non-Capturing Group(?:\.(?:pdf))

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:pdf)

pdfthe literal text pdf (case sensitive)

$end of line

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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

Search reference

Regular Expression

^(?P<Root>file\:\/\/\/(?:[A-Za-z]+):(?:\/|\\)|https\:\/\/)(?P<Relative>(?:(?:[^<>:"\/\\|?*\n])+(?:\/|\\))+)(?P<File>(?:[^<>:"\/\\|?*\n]+)(?:\.(?:pdf)))$

Test String
New

file:///D:/Documents/My%20Documents/T09_27jun-17jul_V_Fro.pdf

file:///z:/Documents/My%20Documents/pdfs/eggs,%20milk,%20fruit.pdf

file:///zz:/Documents/My%20Documents/example.folder/icebreaker.pdf

file:///abv:/program%20shmogram%20(x86)/CoolTheVideoGameTheMovie/lewd.mods/uwuDialogueforFemales.pdf

file:///h:/Documents/My%20Documents/example.folder/New%20folder/ExamplE%20folder%203/very_cool_kanye.pdf

https://www.samsclub.com/savings/20230626/T09_27jun-17jul_V_Fro.pdf

https://whatkindofprefixisthis.RobertTheWebsite.io/AboutUs/Who-Da-frick_IS_Robert-anyways.pdf

Regular Expression

Test StringNew

Test String
New