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OR condition in Regex - Stack Overflow

Apr 13, 2013 · For example, ab|de would match either side of the expression. However, for something like your case you might want to use the ? quantifier, which will match the previous expression exactly 0 or 1 times ...

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Regular expression to stop at first match - Stack Overflow

to capture a match between start and the first occurrence of end. Notice how the subexpression with nested parentheses spells out a number of alternatives which between them allow e only if it isn't followed by nd and...