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Fixing a typo

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Check if `pattern:Y` is immediately after `pattern:X`  and then the regex will check if Z is immediately after Y,  Like this it's more understandable.
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Sohail Ashraf 2020-01-29 13:38:00 +08:00 • committed by GitHub
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9-regular-expressions/14-regexp-lookahead-lookbehind/article.md
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@ -26,7 +26,7 @@ More complex tests are possible, e.g. `pattern:X(?=Y)(?=Z)` means:
1. Find `pattern:X`. 1. Find `pattern:X`.
2. Check if `pattern:Y` is immediately after `pattern:X` (skip if isn't). 2. Check if `pattern:Y` is immediately after `pattern:X` (skip if isn't).
3. Check if `pattern:Z` is immediately after `pattern:X` (skip if isn't). 3. Check if `pattern:Z` is immediately after `pattern:Y` (skip if isn't).
4. If both tests passed, then it's the match. 4. If both tests passed, then it's the match.
In other words, such pattern means that we're looking for `pattern:X` followed by `pattern:Y` and `pattern:Z` at the same time. In other words, such pattern means that we're looking for `pattern:X` followed by `pattern:Y` and `pattern:Z` at the same time.