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iamitshri/regex.java

Last active May 29, 2019 04:35
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Regex Lookahead Lookbehind
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regex.java
POSITIVE LOOKAHEAD
(?<=e)I.*? --> 'empIloyeeId' --> Matches only 'I' if its preceded by e
Negative LookBEHIND
(?<!e)I.*? --> 'empIloyeeId' --> Matches only 'I' if its NOT preceded by e
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