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This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including chkchars with all npm packages installed. Try it out:

var chkchars = require("chkchars")

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chkchars v1.2.0

You can use this package to verify whether there are caps or symbols or numbers in a string. This will will be very useful if you are making a signup system there you can check the validity of the password, username etc. Or you can use this package in anywhere to verify a string contains symbols, numbers or caps.

RunKit is a free, in-browser JavaScript dev environment for prototyping Node.js code, with every npm package installed. Sign up to share your code.
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