[Solved] what’s the regex to identify a “string” + ” string”?

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Try \w+ ?\+ ?\w+. It uses the ? quantifier which makes matching the previous token optional.

If there could be more than one space, you could try \w+ *\+ *\w+, since * matches the previous token between zero and unlimited times.

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solved what’s the regex to identify a “string” + ” string”?