Home Numbers Decimal Number Regular Expression Decimal Number Regular Expression A regular expression that matches all valid decimal numbers. /^\d+\.\d+$/ Click To Copy Examples: 0.0 0.99 12345.67 See Also: Currency Regular Expression Alphanumeric Regular Expression Previous Post 12-Hour Time (hh:mm:ss) Regular Expression Next Post Alphanumeric Regular Expression More Like This: Regex To Match Whitespaces Between Words Regex To Match Chinese/Japanese/Korean Characters Regex To Match Content Between HTML Tags