Category Archives: Numbers

A regular expression to match a positive decimal value.

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

A regular expression to match a positive integer value like 10, 20, 100, etc.

/^\d+$/

A Regular Expression for those who use a space as thousands separator.

/(^(((\d)|(\d\d)|(\d\d\d))(\xA0|\x20))*((\d)|(\d\d)|(\d\d\d))([,.]\d*)?$)/

A Regular Expression to validate a percentage from 0 to 100.

/^(0*100{1,1}\.?((?<=\.)0*)?%?$)|(^0*\d{0,2}\.?((?<=\.)\d*)?%?)$/

A Regular Expression to check if the number you provide is a float value.

/^[-+]?[0-9]+[.]?[0-9]*([eE][-+]?[0-9]+)?$/

A set of regular expressions that helps you validate and parse Money/Currency/Price values.

/^-?\d+(,\d{3})*(\.\d{1,2})?$/

A collection of useful Regular Expressions to parse, validate, and format phone numbers around the world.

/^\\(?([0-9]{3})\\)?[-.\\s]?([0-9]{3})[-.\\s]?([0-9]{4})$/

A regular expression to match and valid US.S five-digit and nine-digit (zip+4) postal codes.

/^\d{5}(?:[-\s]\d{4})?$/

Regular Expressions that exactly match 4 or 6 digits, which are typically used in Pin Code.

/^[0-9]{4}$/

A regular expression to match and validate a 4-digit year (from 1900 to 2099).

/^(19|20)[\d]{2,2}$/