JAVASCRIPT

regex url

(https?://(?:www.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9].[^s]{2,}|www.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9].[^s]{2,}|https?://(?:www.|(?!www))[a-zA-Z0-9]+.[^s]{2,}|www.[a-zA-Z0-9]+.[^s]{2,})

url Regex

^http[s]?://(www.)?(.*)?/?(.)*

match url regex

/^(https?://)?([da-z.-]+).([a-z.]{2,6})([/w .-]*)*/?$/

regex urls

// It will include the space before as well (if it has one)

/(^| )(https?://)?(www.)?[-a-zA-Z0-9@:%._+~#=]{1,256}.[a-zA-Z0-9()]{1,8}([-a-zA-Z0-9()@:%_+.~#?&//=]*)/gi

regex valid url

/^(?:(?:https?|ftp)://)(?:S+(?::S*)?@)?(?:(?!(?:10|127)(?:.d{1,3}){3})(?!(?:169.254|192.168)(?:.d{1,3}){2})(?!172.(?:1[6-9]|2d|3[0-1])(?:.d{1,3}){2})(?:[1-9]d?|1dd|2[01]d|22[0-3])(?:.(?:1?d{1,2}|2[0-4]d|25[0-5])){2}(?:.(?:[1-9]d?|1dd|2[0-4]d|25[0-4]))|(?:(?:[a-zu00a1-uffff0-9]-*)*[a-zu00a1-uffff0-9]+)(?:.(?:[a-zu00a1-uffff0-9]-*)*[a-zu00a1-uffff0-9]+)*(?:.(?:[a-zu00a1-uffff]{2,})).?)(?::d{2,5})?(?:[/?#]S*)?$/i

url regex

^(ht|f)tp(s?)://[0-9a-zA-Z]([-.w]*[0-9a-zA-Z])*(:(0-9)*)*(/?)([a-zA-Z0-9-.?,'/+&%$#_]*)?$

url regex

/^https?://(?:www.)?[-a-zA-Z0-9@:%._+~#=]{1,256}.[a-zA-Z0-9()]{1,6}(?:[-a-zA-Z0-9()@:%_+.~#?&/=]*)$/