Regular Expressions 101

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\w+any word character, repeated at least once

Group 1($((?:(?!$)\S|\s)*)\))?

?repeats the group contents below at most once:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 2((?:(?!\))\S|\s)*)

Non-Capturing Group(?:(?!\))\S|\s)*

*repeats the group contents below any number of times:

1st Alternative(?!\))\S

Negative Lookahead(?!\))

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\Sany non-whitespace character

2nd Alternative\s

\sany whitespace character

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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.

Search reference

Regular Expression

@\w+(\(((?:(?!\))\S|\s)*)\))?

New

@for($i = 0; $i < 10; $i++)
    {{ $i }}
@endfor

@if(
    !empty($name)
    && $name == 'Carlos'
)
    Hi Carlos
@endif

@csrf