Widgex

About Widgex Widgex is a JavaScript regular expression (regex) tester. In the upper text box enter a regular expression pattern without surrounding slashes or flags (e.g. ^[a-zA-Z]+). In the lower box enter the text within which you wish to search. Matches, if they exist, are displayed as you type. A popular source of ready-made patterns is RegExLib.com . Daniel Davis Basic Regex Reference Escape or unescape the following character. ^ Match the beginning of the text. dollar sign Match the end of the text. * Find zero or more occurrences of the preceeding item. + Find one or more occurrences of the preceeding item. ? Find zero or one occurrence of the preceeding item. . (dot) Match any character except newline characters. | Match the preceeding or following item. Visit W3Schools for a much more comprehensive guide to regular expressions and their usage in JavaScript.