Question: I want to be able to us an if statement to evaluate a string using a regular expression. What syntax would I use? if [

I want to be able to us an if statement to evaluate a string using a regular expression. What syntax would I use?
if ["$string" =+ someregex]; then
echo "some result"
fi
if [["$string" =~ someregex]]; then
echo "some result"
fi
if [
{"$string" =$ someregex}; then
echo "some result"
fi
none of the above

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

The Mill Mountain Coffee Shop blends coffee on the premises for its customers. It sells three basic blends in 1-pound bags, Special, Mountain Dark, and Mill Regular. It uses four different types of...

Q:

I want to evaluate to see of some condition is true and if so then output a message. If not then output another message. What would I write? a. if true; then echo "it is true" fi b. if true; then...

Q:

First, uncomment the following block of code, by removing all of the \# symbols before each line. You can do this quickly if you're using VS Code by selecting the entire block of code, going into the...

Q:

1411116 - Programming I Assignment #3 Due Date: November 30, 2016 Submission Instructions: Submit your assignment on the blackboard link, corresponding to your Section: Please follow the following...

Q:

{Question Asked before again im requesting bcz the answer provided from chegg is ChatGPT answers and its not helped me and also im attching the answers from ChatGPT(i.e ur chegg Expert copy pasted...

Q:

I am getting the following errors while trying to compile this code. I need it to compute the values in the provided .txt file (located at bottom of page), but it only computes the first line...

Q:

The Expr class The Expr class implements the various methods used to emulate numerical types, such as _add_, _sub_, and so forth. In this way, we can build an expression simply by writing x * 3 / 2...

Q:

The single ternary operator ? is the conditional expression operator. Unlike the conditional expression operator in C++ and Java, no colon separates the second and third operands. This expression is...

Q:

The single ternary operator ? is the conditional expression operator. Unlike the conditional expression operator in C++ and Java, no colon separates the second and third operands. This expression is...

Q:

Here is the Skeleton: expression.h class Expression { public: virtual double evaluate() = 0; }; literal.h class Literal: public Operand { public: Literal(double value) { this->value = value; } double...

Q:

Each item in a list is separated by a _ _ _ _ _ _ _ _ Group of answer choices space dash period comma Given the following list, which commands will return true? ( pick two ) Device _ list [ R 1 , R 2...

Q:

Write an SQL command to total the cost of order number 1. Calculate the total raw material cost (label TotCost) for each product compared to its standard product price. Display product ID, product...

Q:

a) Explain what harmonization convergence differs. b) In your opinion, what are the most important arguments in favor of the international convergence of public companies in the United States? c) In...

Q:

the accountant for Wild Corp. was preparing a bank reconciliation as of April 3 0 , 2 0 0 8 . the following items were identified: Harriet's book balance: $ 1 8 , 0 0 0 outstanding checks: $ 1 , 3 0...

Q:

SIMAD UNIVERSITY Class: BACC25 Subject: Islamic Accounting Instructions: a) Follow The Instructions. Midterm Exam Instructor: All Ibrahim Date: 6-4-2022 b) You Have 1.5 Hrs. To Complete This Test. c)...

Q:

Analyse in what circumstances these practices contribute to organisational effectiveness.

Q:

Assess the role of government and other agencies in initiating development in learning and training.

Q:

Explain a number of different approaches organisations take to learning and talent development. Understand the component parts of the learning cycle.