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Underscore-string Cheat Sheet in November 2022

Last Updated: 26 November 2022

README.md

Usage

// Use it like so:
_.str.trim("hey");
_s.trim("hey");

// Unless you do:
_.mixin(_.string.exports());

// So you can:
_.trim("hey");
_("hey").trim();

Trimming

_.truncate("Hello world", 4) // => "Hell..."
_.prune("Hello world", 5)    // => "Hello..."

_.trim(" foo ")              // => "foo"
_.trim("-foo-", '-')         // => "foo"
_.ltrim
_.rtrim

Numbers

_.numberFormat(1000, 2)  // => "1,000.00"

Caps

_.capitalize("foo bar")       // => "Foo Bar"
_.humanize("hey-there foo")   // => "Hey there foo"
_.titleize('My name is hi')   // => "My Name Is Hi"

_.dasherize('MozTransform')   // => "-moz-transform"
_.underscored('MozTransform') // => "moz_transform"
_.classify('-moz-transform')  // => "MozTransform"
_.camelize('moz_transform')   // => "MozTransform"

_.slugify("hey there")        // => "hey-there"

_.swapCase("hELLO")           // => "Hello"

Checks

_.startsWith('image.gif', 'image') // => true
_.endsWith('image.gif', '.gif')    // => true
_.isBlank(" ")                     // => true (also for "\n", "")

HTML

_.escapeHTML("<div>")
_.unescapeHTML("&lt;div&gt;")
_.stripTags("<div>hi</div>")

Quote

_.quote("hi", '"') // => '"hi"'
_.unquote('"hi"')  // => "hi"

Splits

_.lines("hi\nthere")     // => ["hi","there"]
_.words("hi  there you") // => ["hi","there","you"]

Sprintf

_.sprintf("%.1f", 1.17)

Pad

_.pad("1", 8)               // => "       1"
_.pad("1", 8, "0")          // => "00000001"
_.pad("1", 8, " ", "right") // => "1       "
_.pad("1", 8, " ", "both")  // => "    1   "

_.lpad(..)  // same as _.pad(.., 'left')
_.rpad(..)  // same as _.pad(.., 'right')
_.lrpad(..) // same as _.pad(.., 'both')

References


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