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Regular expression tester
This online calculator allows user to experiment with regular expressions.
Text Formatter
The calculator is designed to reformat lines of text according to user specifications.
Email Finder
The Email Finder calculator allows users to search for and extract email addresses from a block of text using a regular expression.
Text Filter with Regex
This online calculator splits lines of text using a regular expression.
List Join
This online calculator can join two csv lists by key column the same way JOIN works in SQL (inner join, left outer join, right outer join)
URL Domain Name Frequency Calculator
The calculator takes a list of URLs as input and extracts the domain name part from each URL. It then counts the number of occurrences for each unique domain name and displays the results in descending order.
String to list converter
This online calculator splits string by regular expression and outputs the list of matches (or first matched group)
Regular expression splitter
is a tool that allows you to split a list of strings based on a regular expression pattern.
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