I am learning the sed s/regexp/replacement/ command on linux. There are some numbers from phone.txt I’d like to use the regular expression (which I have tested on https://www.freeformatter.com/regex-tester.html) to match numbers which begin with (555). And then I want the output of these three parts of these matched number as: (an example for number (555)555-1212) I tried the following command:
Tag: regular-language
Replace every occurrence of the regular expression matching with a particular in VI editor?
suppose I have a text file as follows. I need to obtain that text file as follows by replacing every table owner name occurrences replace witha same name called “informix”. out put should be like in vi editor , :%s/”kevin”/”informix”/g I can replace them individually but I need to do all of them at once. Answer Explanation: