Regular Expressions 101

1st Alternative^([^\S]?LUL[\s]?)+$

^start of line

Group 1([^\S]?LUL[\s]?)+

+repeats the group contents below at least once:

Negated Character Class[^\S]?

?matches at most one character outside the set below:

\Sany non-whitespace character

LULthe literal text LUL (case insensitive)

Character Class[\s]?

?matches at most one character from the set below:

\sany whitespace character

$end of line

2nd Alternative^([\S]+LUL[\s]?)+$

^start of line

Group 2([\S]+LUL[\s]?)+

+repeats the group contents below at least once:

Character Class[\S]+

+matches at least one character from the set below:

\Sany non-whitespace character

LULthe literal text LUL (case insensitive)

Character Class[\s]?

?matches at most one character from the set below:

\sany whitespace character

$end of line

3rd Alternative^[ах]+[\s]*$

^start of line

Character Class[ах]+

+matches at least one character from the set below:

аthe literal а (1072₁₀ / 2060₈ / 430₁₆) (case insensitive)

хthe literal х (1093₁₀ / 2105₈ / 445₁₆) (case insensitive)

Character Class[\s]*

*matches any number of characters from the set below:

\sany whitespace character

$end of line

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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

^([^\S]?LUL[\s]?)+$|^([\S]+LUL[\s]?)+$|^[ах]+[\s]*$

New

LUL LUL LUL LUL
blackufaLUL LUL LUL LUL
blackufaLUL as w qddd 
blackufaLUL blackufaLUL
blackufaLUL 
blackufaLUL
LUL 
blackufaLUL
blackufaLUL blackufaLUL
blackufaLUL
аххахах
ахахах
хааха
страх 
страхах
ахахах   
фафывафывацуацлжыд жывшапд од lul
lul


^([\S]+LUL[\s]?)+$ - blackufaLUL blackufaLUL
^([^\S]?LUL[\s]?)+$ - LUL LUL LUL

Regular Expression

Extraction