Re^3: How to extract special charachetrs like <=, >= != from string

Replies are listed 'Best First'.
Re^4: How to extract special charachetrs like <=, >= != from string by choroba (Cardinal) on Aug 14, 2015 at 05:58 UTC
Because of the +. لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ	[reply]
Re^4: How to extract special characters like <=, >= != from string by soonix (Chancellor) on Aug 14, 2015 at 06:44 UTC
actually, it matches also `=>`, `<>`, `!!`, `<=>`, or in fact any combination of these four characters. It says "match these characters, one or more times". If you want only one of the 4 characters followed by a single "=", you'd write `[!<=>]=`	[reply] [d/l] [select]
Re^4: How to extract special charachetrs like <=, >= != from string by vinoth.ree (Monsignor) on Aug 14, 2015 at 06:30 UTC
++choroba james28909, It could be great if you read this line + Match 1 or more times from the link you shared Regular Expressions *All is well. I learn by answering your questions...*	[reply] [d/l]
Re^5: How to extract special charachetrs like <=, >= != from string by james28909 (Deacon) on Aug 14, 2015 at 06:45 UTC
For some reason I thought that meant the same character haha. I thought it would matched the character 'a' or 'aaaaa' not 'ab' or 'a3' ect. Anyways, i learn something new everyday I recon haha.	[reply]
Re^6: How to extract special characters like <=, >= != from string by soonix (Chancellor) on Aug 14, 2015 at 07:18 UTC
This can also be achieved, if you resort to Capture groups and Backreferences, see also there [which uses `\1` instead of `\g1`, but see the caveat in Capture groups].	[reply] [d/l] [select]