Stream: hapi
Topic: Regex question
Grahame Grieve (Mar 10 2022 at 00:04):
hi Java gurus. Consider this JUnit test:
Assertions.assertTrue("http://fhir.org/guides/cqf/common/Library/FHIR-ModelInfo|4.0.1".matches("Library"));
Grahame Grieve (Mar 10 2022 at 00:04):
it fails. But according to https://regex101.com, that should pass (java 8 mode).
Grahame Grieve (Mar 10 2022 at 00:04):
What's going on here?
Grahame Grieve (Mar 10 2022 at 00:11):
that's because matches must match the whole string, i presume (you can tell I'm expert at regular expressions).
If I need to just search for a match in the string (not the whole string), I can prepend and append .*
is that always safe? is there a better way?
Patrick Werner (Mar 10 2022 at 08:28):
If you are just searching a String in a String String.contains() would be the easiest. For matches ().*Library.*is fine if you don't expect new line characters.
Gino Canessa (Mar 10 2022 at 15:33):
Note that would also match on strings like http://example.org/Library.html, if that is matters (don't know the context of the match).
Last updated: Apr 12 2022 at 19:14 UTC
