How can I find all lines containing two words?

How can I find all lines containing two words?

I need to check if two (specified) words exist on any line in a text file. There are no limits for the characters of the words. For example: I want to find lines of a text file that contain the two words “cat” and “elephant” together (i.e., on the same line; not necessarily side-by-side):

How to check if a string has at least one letter and one number?

The easiest way to check this in python is to use regular expressions. In order to check if the given string has atleast one letter and one number, we use re.match(regex, string). For example, import re print(bool(re.match(‘^(?=.*[0-9]$)(?=.*[a-zA-Z])’, ‘hasAlphanum123’))) print(bool(re.match(‘^(?=.*[0-9])(?=.*[a-zA-Z]$)’, ‘some string’)))

How to check for at least 3 characters?

Regex to check for at least 3 characters? I have this regex to allow for only alphanumeric characters. How can I check that the string at least contains 3 alphabet characters as well. I want to enforce the string to make sure there is at least 3 consecutive alphabet characters as well so; should be sufficient. Edit.

How to check if a string contains uppercase or lowercase characters?

Naive Approach: The simplest approach is to iterate over the string and check if the given string contains uppercase, lowercase, numeric and special characters. Below are the steps:

How to print lines that do not contain a keyword?

I was just wondering what command i need to put into the terminal to read a text file, eliminate all lines that do not contain a certain keyword, and then print those lines onto a new file. for example, the keyword is “system”. I want to be able to print all lines that contain system onto a new separate file. Thanks grep is your friend.

How to print lines that contain a specific word using Java?

And lets say you are searching for the word “foo”. Hope this code helps. Have a look at BufferedReader or Scanner for reading the file. To check if a String contains a word use contains from the String -class. If you show some effort I’m willing to help you out more.

How to print sentences that have many specific words?

And I got error TypeError: ‘in ‘ requires string as left operand, not list. How to print sentences that have many specific words?

How to print two lines with the same word?

I suggest you read man grep. To grep for 2 words existing on the same line, simply do: grep “word1” FILE will print all lines that have word1 in them from FILE, and then grep “word2” will print the lines that have word2 in them. Hence, if you combine these using a pipe, it will show lines containing both word1 and word2.

How to Regex match two strings in one line?

Example if the following lines are contained in a file named Dockerfile: To get the line that contains the strings: FROM python and as build-python then use: Then the output will show only the line that contain both strings:

How to match two strings in one line with grep?

The first grep kicks off a recursive search ( r ), ignoring case ( i) and listing (printing out) the name of the files that are matching ( l) for one term ( ‘action’ with the single quotes) occurring anywhere in the file. The subsequent greps search for the other terms, retaining case insensitivity and listing out the matching files.