String

containDigit

containDigit( string ) > Boolean

test if string contain digit

const str = 'picture42'
containDigit(str) //return true

escapeRegExp() > String

escape special char from string to use in regexp

const ext = 'http://test.com'
escapeRegExp(ext) //return 'http:\\/\\/test\\.com'

getStringExtension( string ) > String

get an extension from string.

const ext = 'picture.jpg'
getStringExtension(ext) //return '.jpg'

isValidEmail( string ) > Boolean

test if string is a valid email

const mail = 'gg@tt.com'
const mail2 = 'gg@ttcom'
isValidEmail(mail) //return true
isValidEmail(mail2) //return false

isValidUrl( email ) > Boolean

test if string is a valid url

const url = 'http://test.com'
const url2 = 'http:test.com'
isValidUrl(url)) //return true
isValidUrl(url2) //return false

trim( string ) >

Trim a string

const ext = ' lala lala '
trim(ext) //return 'lala lala'