Regular Expressions 101

Explanation
Pro

httpthe literal text http (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

://the literal text ://

Negated Character Class[^@w]*

*matches any number of characters outside the set below:

@the literal @ (64₁₀ / 100₈ / 40₁₆)

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case sensitive)

Non-Capturing Group(?:@(?!@@)|w(?!ord)|[^@w]*)++

++repeats the group contents below at least once:

1st Alternative@(?!@@)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Negative Lookahead(?!@@)

@@the literal text @@

2nd Alternativew(?!ord)

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case sensitive)

Negative Lookahead(?!ord)

ordthe literal text ord (case sensitive)

3rd Alternative[^@w]*

Negated Character Class[^@w]*

*matches any number of characters outside the set below:

@the literal @ (64₁₀ / 100₈ / 40₁₆)

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case sensitive)

wordthe literal text word (case sensitive)

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

Positive Lookahead(?=@@@|$)

1st Alternative@@@

@@@the literal text @@@

2nd Alternative$

$end of line

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

https?://[^@w]*(?:@(?!@@)|w(?!ord)|[^@w]*)++word.*?(?=@@@|$)

New

https://www.test.com/text/1@@@https://www.test.com/text/word/2@@@https://www.test.com/text/text/word/3@@@https://www.test.com/3/text@@@https://www.test.com/word/3/text/text

Substitution

https://www.test.com/text/1@@@https://www.test.com/text/word/2@@@https://www.test.com/text/text/word/3@@@https://www.test.com/3/text@@@https://www.test.com/word/3/text/text