Regular Expressions 101

Validate Float

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  • PCRE2 (PHP)
  • Match
1

Regular Expression

/
^-?(\d|[1-9]+\d*|\.\d+|0\.\d+|[1-9]+\d*\.\d+)$
/
gm

Description

Non scientific float numbers validator

Submitted by Tanmay Chakrabarty - cse.tanmay@gmail.com