Regular Expressions 101

Community Patterns

the correct order of the brackets

0

Regular Expression
PCRE (PHP <7.3)

/
^([^()[\]{}<>]*)(\(((?1)(?2)*)*\)|\[(?3)*\]|\<(?3)*\>|{(?3)*\})(?1)$
/

Description

Check the correct order of the brackets (),<>,{},[]

Submitted by Korniychuk Anton<ancor.dev@gmail.com> - 8 years ago