Category: Regex

Useful Regex (Regular Expressions)

Useful Regex (Regular Expressions)

Description JavaScript Java or C# Integer No Spaces (anywhere) /^([\d]+)$|^$/g ^([\\d]+)$|^$ Empty String or Integer No Spaces (anywhere) /^([\d]+)$/g ^([\\d]+)$ Alfa or Numeric Characters Only /^[A-Za-z0-9]+$/ ^[A-Za-z0-9]+$ Alfa or Numeric Characters Plus listed Other Chars /^[A-Za-z0-9#!]+$/ ^[A-Za-z0-9#!]+$ Matches alpha or numeric or # or !