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

Positive Lookahead(?=\w.*፻$)

\wa Unicode word character

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

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

$end of line

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$)

New

፻this test works፻
፻this test does not work፻
this is a line that stays unchanged
this is a line that stays unchanged፻
፻this is a line that stays unchanged

Extraction

፻this test works፻
፻this test does not work፻
this is a line that stays unchanged
this is a line that stays unchanged፻
፻this is a line that stays unchanged