Regular Expressions 101

Pro

Non-Capturing Group(?:\G(?!\A)|Divider)

1st Alternative\G(?!\A)

\Gstart of current search

Negative Lookahead(?!\A)

\Astart of string

2nd AlternativeDivider

Dividerthe literal text Divider (case sensitive)

Negated Character Class[^-\n]*

*matches any number of characters outside the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\na line-feed (newline) character (ASCII 10)

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

(?:\G(?!\A)|Divider)[^-\n]*\K-

New

a-b-Divider-Any-Text
 ----> a-b-Divider__Any__Text
a-b-c-Divider-w-x-y-z
 ---> a-b-c-Divider__w__x__y__z
a-b-c-d-e-f-g-h-i-j
 ------> a-b-c-d-e-f-g-h-i-j     (nothing replaced, since no Divider)

Substitution

__

a-b-Divider-Any-Text
 ----> a-b-Divider__Any__Text
a-b-c-Divider-w-x-y-z
 ---> a-b-c-Divider__w__x__y__z
a-b-c-d-e-f-g-h-i-j
 ------> a-b-c-d-e-f-g-h-i-j     (nothing replaced, since no Divider)