RegExr 2.0 — Online tool to learn, build, & test Regular Expressions

awesome RegEx tool. This replaces multiple tools that I'd previously been using to get a similar effect.

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Have found this particularly useful for complicated Regex. The visualization part of my brain thanks you!

This is one of the best tools to hand hold you in the painful process of debugging regular expressions!!

Pros:

UI | Help text on hover | Community contributed expressions

Cons:

RegExr can be ade even more awesome with a day mode and a theme switcher

Very slick tool! I like the bottom quick Regex reference at the bottom of Rubular though.

@nbashaw, have you seen this? :)