Regular Expressions 101

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

1st Alternative \/

the literal (32₁₀ / 40₈ / 20₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative\A

\Astart of string

Group 1((?:(?! \/ )[^:])+)

Non-Capturing Group(?:(?! \/ )[^:])+

+repeats the group contents below at least once:

Negative Lookahead(?! \/ )

the literal (32₁₀ / 40₈ / 20₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Negated Character Class[^:]

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?: \/ |\A)((?:(?! \/ )[^:])+):

New

Lorem: 8 FB / Ipsum-/Dolor: Some Text / Dolor: Some text with (brackets) / Sit amet.: 
Some Text with/slash / foobar / Last one: 36 foos