Regular Expressions 101

Community Patterns

Validate PHP DateInterval Format

1

Regular Expression
PCRE (PHP <7.3)

/
(P([1-9]|[1-9][0-9])(W|D|M|H)|PT([1-9]|[1-9][0-9])H)
/

Description

Checks if string is valid DateInterval format

Submitted by grambas - 8 years ago