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When to use regex in a file name?
So, by the above reasoning we know that a file name or directory name can contain anything except / forward slash. So, our regex will be derived by what will not be present in the file name/directory name. A directory can start with / when it is absolute path and directory name when it’s relative. Hence, look for / with zero or one occurrence.
How to print filenames with regextype flag?
If you want to just print the filenames, find might be easier, but if you want to run a command on them, then a shell loop is also an option (along with find -exec ). Use find and then the regextype flag to set the reg expression syntax to egrep.
Can you put \\ between brackets in regex?
Note: On Windows, \\ is not allowed in filenames, but the above regex works for checking valid paths on Windows. Include \\\\ between the brackets ^ […]+$ if you want it to check for valid filenames and not checking paths. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.
When to use find or find in regex?
Use -regex to check against 3 digits and a “dot” and then a digit a “dash” and a digit. If the digits are more than one character, you will need + after each digit. You need to use find instead. For exact match use pattern: If you need any files with only digits, . and – symbols in names try:
How to use regex to replace invalid characters?
I have a directory with lots of folders, sub-folder and all with files in them. The idea of my project is to recurse through the entire directory, gather up all the names of the files and replace invalid characters (invalid for a SharePoint migration). However, I’m completely unfamiliar with Regular Expressions.
How to match single Dir to a directory?
Let’s match /var/ first then. Here, single_dir is yz/ because, first it matched var/, then it found next occurrence of same pattern i.e. log/, then it found the next occurrence of same pattern yz/. So, it showed the last occurrence of pattern.
Can a recurse find all files in the same directory?
Name is only going to work if your current working directory is the directory you’re deleting files from, and all of the files are in that directory (a recurse may find more than one file with the same name, but different paths). Thanks for contributing an answer to Stack Overflow!