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RegExr mentions (361)

• How to Validate Emails in PHP: regex, filter_var(), and API Explained

  Use online regex testers: Tools like Regex101 or RegExr can help visualize how your regex matches against test strings, providing explanations and highlighting potential issues. - Source: dev.to / 1 day ago

• Hot Springs

  When thinking about how I might compare an arrangement to the contiguous group of damaged springs, I used regexr.com to experiment with very specific regexs that used the numbers. - Source: dev.to / 4 months ago

• Demystifying Regular Expressions (Regex): A Chat Sheet Guide

  There are plenty of online regex tools to test and experiment with regex patterns. Some popular ones include RegExr, RegEx101, and RegexPlanet. - Source: dev.to / 5 months ago

• Camel Cards

  Using regexr.com it at least appears to work as expected. - Source: dev.to / 5 months ago

• [2023 Day 2] [Python] Stuck on the first task

  If you are going to use RE's, use something like https://regexr.com/ to double check that they're doing what you want. I was suspicious of your 'cols = re.findall(r'\d+ .....', i)' line, and indeed it does miss some columns. You should rethink your column detection, and either not use REs or learn how to use capture groups and \w. There would then be no reason to use yet another RE in your column iterator to... Source: 5 months ago