Regular Expressions 101

Positive Lookbehind(?<=^፻.+)

^start of line

፻the literal ፻ (4987₁₀ / 11573₈ / 137B₁₆)

.+any Unicode character (except for line terminators), repeated at least once

\ba Unicode word boundary

Group 1(\w+)

\w+a Unicode word character, repeated at least once

Positive Lookahead(?=.*፻$)

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

፻the literal ፻ (4987₁₀ / 11573₈ / 137B₁₆)

$end of line

፻?optionally matches the literal ፻ (4987₁₀ / 11573₈ / 137B₁₆)

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

(?<=^፻.+)\b(\w+)(?=.*፻$)፻?

New

፻this test works፻
፻this test will now work፻

፻simple፻

this is an ፻ extra far more challenging ፻ case with more ፻   than just one match   ፻ and even some ፻interleaved whitespace፻, behold!

Substitution

፻$1

፻this test works፻
፻this test will now work፻

፻simple፻

this is an ፻ extra far more challenging ፻ case with more ፻   than just one match   ፻ and even some ፻interleaved whitespace፻, behold!