Expression Packages

CSP-compliant interpreter for Vega expressions.

Customizable expression/rule evaluator

Extract tilde(~) and/or hashtags(#) from any text. very useful when you need to extract text from html content where numerous html tags would render (# and @) selections inefficient. (A modified version of mention-hashtag by @lmfresneda.

A JavaScript Cron expression builder and parser for both Node.js and browser

A very simple logical expression parser to obtain the AST, using JISON.

A set of functions to build and compose complex regular expressions

SilverDecisions expression engine module

Safely test strings against any regex with a timeout.

Clone and modify a RegExp instance, including removing, prepending, appending & replacing the source

Replace only specific occurrences of a string. e.g. if the string exists 10 times, you can replace, say, the 3rd and 8th occurrences only, etc. Returns a new string with nth specific matches of a pattern replaced by a replacement. The pattern can be a str

The React <QueryBuilder /> component for constructing queries with improved user experience

The React <QueryBuilder /> component for constructing queries

Testing...

Return `true` if a file extension matches the given string, array of strings, or RegExp pattern.

Expressions with callbags

bindingx,expression,binding,weex

Get the index for each occurrence of a string, in a string. Much faster than regex, and useful for doing simple find and replace operations for specific strings.

Test result from Regular Expression

Match strings expressively

Wrap any object with wildcard methods