Regular expression for only one url validation in javascript

Question

at present i am using following regular expression

/^(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?$/

it validating url like https://scores.arrowsight.com/scores/ORoom/Hospital%20A1/Hospital%20A2 but it should not validate url like http://www.google.co.in/http://www.google.co.in/ above url should not allow but it allow http://www.google.co.in/http://www.google.co.in/ Can someone help me in modifying this? Thanks in advance.

Answer 1

Try this regex with negative lookahead:

/^(ftp|https?):\/\/(\w+:{0,1}\w*@)?((?![^\/]+\/(?:ftp|https?):)\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?$/

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