Regular Expressions 101

Community Patterns

Get any positive integer

3

Regular Expression
PCRE (PHP <7.3)

/
^\+?(0*[1-9]\d*(?:[\., ]\d+)*) *(?:\p{Sc}|°[FC])?$
/
mg

Description

All real numbers can be divided into three categories: positive, negative and zero; Match all positive number

Match: 2 9 +8 005 0420 123456789 40.262,12 +042 262,12 421.265.195,52 0420 $ 0420 € 35 °C 12 °F

No Match: 0 00000 0000 -10 -1 10a

Submitted by norihiori, Me-me - 8 years ago