Regular Expressions 101

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Negative Lookahead(?!:|\s)

1st Alternative:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

2nd Alternative\s

\sany whitespace character

Group 1([^\s|\/]{1,}?)

Negated Character Class[^\s|\/]{1,}?

{1,}?matches at least one character outside the set below:

\sany whitespace character

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Positive Lookahead(?=:)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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.

Search reference

Regular Expression

:(?!:|\s)([^\s|\/]{1,}?)(?=:)

New

: :smile:http://baidu.com:9090 :smile1:表情:测试1 :smile: :tv_可爱: :smile: :::::smile:: :tv_doge: ::::tv_doge:: :::tv_doge: : ::::  :tv_doge: :::tv_doge::smile:smile:

Regular Expression

Substitution