Regular Expressions 101

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 1(.*?)

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 2(http\S+?(?=\W+(?:$|\s))|http\S+)

1st Alternativehttp\S+?(?=\W+(?:$|\s))

httpthe literal text http (case sensitive)

\S+?any non-whitespace character, repeated at least once

Positive Lookahead(?=\W+(?:$|\s))

\W+any non-word character, repeated at least once

Non-Capturing Group(?:$|\s)

1st Alternative$

$end of line

2nd Alternative\s

\sany whitespace character

2nd Alternativehttp\S+

httpthe literal text http (case sensitive)

\S+any non-whitespace character, repeated at least once

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

"(.*?)"\:(http\S+?(?=\W+(?:$|\s))|http\S+)

New

Cqwertyuioy - Lasgfdf Sddgfdds (Dsajjsa Vsjsjk Osaskgkk Spfs) "link":http://www.youtube.com/watch?v=aQjkOmzQ8RT

[\1](\2)

Cqwertyuioy - Lasgfdf Sddgfdds (Dsajjsa Vsjsjk Osaskgkk Spfs) "link":http://www.youtube.com/watch?v=aQjkOmzQ8RT