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· the matching have a strange behaviour, i dont find the other portion of the input string in $ {bash_rematch [3]} although is in the 3rd parens of the regex. In bash, regular expressions used with =~ are unquoted. If the string on the right is … The first element of the bash_rematch array will contain the entire matched text and subsequent elements will contain extracted substrings. A=hi all i want to convert it to: · im rematch maintainer, you should review our documentation or consider buying the official redux made easy with rematch book where youll learn all this questions. 14 thanks to your debugging statement, echo the regex matches!, you should have noticed there is no problem with bash_rematch, since the if statement evaluates to false. Here is an example to clarify my motivation for the quest. His regex matches every time regardless of input length (even empty), and ${bash_rematch[1]} contains the clean text. Whats happen with nested parens? At the very least - in the absence of any capture groups - ${bash_rematch[0]} will be defined. · the manual says about bash_rematch: Is there a way in bash to convert a string into a lower case string? Characters in the regex Note, however, that if =~ signals success, bash_rematch is never fully empty: · op hasnt (yet) stated the desired contents of bash_rematch[] so at this point im guessing this is the expected result in this particular case i dont see the need for the additional ? For example, if i have: · for example, a 140 character long string consisting only of spaces needs 10000 steps to check for matches if ? So not did he solve the problem. He did it beautifully. Is removed, but only 9 steps if ? When set, matches performed with the =~ operator will set the bash_rematch array variable, instead of the default match and match variables. · but having a group to match the content being removed and adding && [[ ${bash_rematch[2]} ]] to the while loops conditions so it exits on a zero-length match in a group corresponding with the content being removed is an alternative. Is there a way in python to access match groups without explicitly creating a match object (or another way to beautify the example below)?
