Regex: Select text/string between symbols that contains another symbol (tags that contains specific string)

Search for : =>.*([|]).*=>

Explanation:

• .* - zero or more characters
• (one|two) - one or the other
• [ - the character [ escaped.

Screenshot from notepad++:

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• Ctrl+F
• Find what: (?<==>)[^=>]*[][][^=>]*(?==>)
• CHECK Wrap around
• CHECK Regular expression
• Find All in Current Document

Explanation:

(?<==>)     # positive lookbehind, make sure we have => before
[^=>]*      # 0 or more any character that is not = or >
[][]        # character class, matches [ or ]
[^=>]*      # 0 or more any character that is not = or >
(?==>)      # positive lookahead, make sure we have => after

If you want to catch also =>, use: =>[^=>]*[][][^=>]*=>

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Screenshot (before):

Screenshot (after):