Hi, when you use the square brackets, you're only matching a single character from the options you provide within it. In the above case, you are requesting a string that only consists of an uppercase or lowercase character and nothing else. Have a go at https://regex101.com/ to help you figure out which combination you will need. Consider what characters need to repeat, what different sorts of characters could... - Source: Reddit / about 1 month ago
Here ya go man: https://regex101.com/ this will take your troubles away. - Source: Reddit / about 1 month ago
Https://regex101.com/ is very helpful although most people will already know it. - Source: Reddit / about 1 month ago
There are a lot of great online regex tools out there. Try this one: https://regex101.com/. - Source: Reddit / about 1 month ago
Admittedly I'm no regex guru but there's sites that can help you build them like https://regex101.com - hopefully that'll get you going :). - Source: Reddit / about 1 month ago
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