regex101: Python Substitution Workspace

Explanation

Pro

Group 1(\w*\:.*?\.\w*\/)

\w*a Unicode word character, repeated any number of times

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

.*?any Unicode character (except for line terminators), repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\w*a Unicode word character, repeated any number of times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 2(\s+[\w-]*\s+)

\s+a Unicode whitespace character, repeated at least once

Character Class[\w-]*

*matches any number of characters from the set below:

\wa Unicode word character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\s+a Unicode whitespace character, repeated at least once

Group 3(\w*\:?.*?\.\w*\/[\w\.]+)

\w*a Unicode word character, repeated any number of times

\:?optionally matches the literal : (58₁₀ / 72₈ / 3A₁₆)

.*?any Unicode character (except for line terminators), repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\w*a Unicode word character, repeated any number of times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Character Class[\w\.]+

+matches at least one character from the set below:

\wa Unicode word character

\.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

(\w*\:.*?\.\w*\/)(\s+[\w-]*\s+)(\w*\:?.*?\.\w*\/[\w\.]+)

New

La-la-la https://example.com/ la-la-la https://example.com/example.PNG

La-la-la <a href="https://example.com/">https://example.com/</a> la-la-la <img src="https://example.com/example.PNG">

Substitution

<a href="\1">\1</a>\2<img src="\3">

La-la-la https://example.com/ la-la-la https://example.com/example.PNG

La-la-la <a href="https://example.com/">https://example.com/</a> la-la-la <img src="https://example.com/example.PNG">