[Vuejs]-How to check if user has blank content inside tag when sending message [vue]

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You could use something like (considering string is your text):

True:

!!string.match(/<[^>]*>.+<[^>]*>/)

False:

!!string.match(/<[^>]*><[^>]*>/)

This would work for your cases but if it’s something more complicated you would need to use recursive patterns (which afaik are not available in JS) – if you want to use strictly regular expressions.

For the exact use cases – something like this should work:

  const rules = [
    [/<right>.+(?<!>)<[^>]*>/g],
    [/<center>.+(?<!>)<[^>]*>/g],
    [/<left>.+(?<!>)<[^>]*>/g],
    [/<a\s+[^>]*>.+(?<!>)<[^>]*>/g],
    [/<[^>]*>.+(?<!>)<[^>]*>/g],
  ];

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