Filtering array where property contains string

Question

I'm trying to filter some JSON data to search for job roles that starts with a certain string.

The JSON looks like :

"periods": [
        {
            "periodName": "Week1",
            "teamName": "Tango",
            "roleName": "SoftwareEngineerII",
            "roleExperience": "2",
            "id": "cc1f6e14-40f6-4a79-8c66-5f3e773e0929"
        },
        ...
    ]

I want to filter for roleName that starts with "Software" so that I can see a list of all Software Engineer levels, and it filters out other roles.

I'm not sure how to do a "starts with" or "contains" here.

jsfiddle.net/jsk5awbb

Jared Farrish
– Jared Farrish

2015-05-27 00:48:32 +00:00
Commented May 27, 2015 at 0:48 — Jared Farrish
– Jared Farrish, Commented May 27, 2015 at 0:48

Jeff Mercado · Accepted Answer · 2015-05-27 00:47:01Z

1

You are trying to filter the array where one of the string properties contains a value... How else would you check if a string contains another string?

You could use a regex:

var str = 'SoftwareEngineerII';
if (str.match(/^software/i)) {
    // it starts with 'software'
}

So you need to convert this to a predicate that could be used in your filter.

var query = Enumerable.From(data.periods)
    .Where("!!$.roleName.match(/^software/i)")
    .ToArray();

answered May 27, 2015 at 0:47

Jeff Mercado

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