regex Archives - Page 5 of 10

I am trying to use grep to match lines that contain two different strings. I have tried the following but this matches lines ...

What is a good complete regular expression or some other process that would take the title: How do you change a title to ...

I have a list of strings. Some of them are of the form 123-...456. The variable portion “…” may be: the string “apple” ...

The following grep expression successfully lists all the .exe and .html files in the current directory and sub directories. ls -R |grep -E ...

If I have an awk command pattern { ... } and pattern uses a capturing group, how can I access the string so ...

I know the regex for doing a global replace, %s/old/new/g How do you go about doing an interactive search-replace in Vim? 7 Answers ...

Is there a regex to match “all characters including newlines”? For example, in the regex below, there is no output from $2 because ...

I’m currently programming a vocabulary algorithm that checks if a user has typed in the word correctly. I have the following situation: The ...

What is the regular expression for a decimal with a precision of 2? Valid examples: 123.12 2 56754 92929292929292.12 0.21 3.1 Invalid examples: ...

I want to add * to the end of each line in Vim. I tried the code unsuccessfully :%s/\n/*\n/g 10 Answers 10