Javascript - Having multiple regex expressions to create url

Question

I am attempting to use regex expressions to convert titles returning from an API into clean url structures. For example, my title "Most Sales for Retail & Consumer" I am attempting to convert it into most-sales-for-retail-consumer I would like my regex expression to remove any special characters, and the word "new" from its titles.

For example some titles return as "New Record of Sales" I would like to convert this into record-of-sales

I am approach this by using regex expressions but I am having an issue combining the expressions to have a 1 case fit all expression. I am attempting to create this in one expression if that is possible.

Here is what i've attempted which works for special characters:

const title = "Most Sales for Retail & Consumer"

const newTitle = title.replace(/([^a-zA-Z0-9]*|\s*)\s/g, '-').toLowerCase()
console.log(newTitle)

But when wanting to add a new expression to remove the word "new" if present in the title I am unable to succesfully while keeping the previous logic to remove special characters

const title ="New record of sales, & consumer"

const newTitle = title.replace(/\band\b/g, "").split(/ +/).join("-").toLowerCase()

console.log(newTitle)

Here is a snippet of my attempt to combine these two by using another .replace() after the first:

const title = "New Online Record & Sales" 

const newTitle = title.replace(/([^a-zA-Z0-9]*|\s*)\s/g, '-').replace(/\band\b/g, "")toLowerCase()

console.log(newTitle)

My expected outcome to have special characters remove while being able to remove the word "new"

Why do you test for "and", when you say you want to test for "new"? — trincot
– trincot, Commented Aug 3, 2020 at 20:33
const newTitle = title.replace(/[^a-zA-Z0-9]+/g, '-').replace(/\band\b/g, "").toLowerCase();? — Wiktor Stribiżew
– Wiktor Stribiżew, Commented Aug 3, 2020 at 20:34

trincot · Accepted Answer · 2020-08-03 20:35:30Z

1

It will be easier if you first lower case your string, and then apply match:

const title = "New Online Record & Sales" 

const newTitle = title.toLowerCase()
                      .match(/[a-z0-9]+/g)
                      .filter(w => w !== "new")
                      .join("-");

console.log(newTitle)

answered Aug 3, 2020 at 20:35

trincot

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