Restriction of caractes at the end of regex

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I need to make a regex capture urls that only end with letters or numbers.

I got this regex right here:

(https?)(:\/\/www.site.com.br)(\S){1,}

The way it is, this regex allows urls to end with characters like @, ! , ? , etc.

I tried this using lookbehind but could not. How can I do this character restriction only at the end of regex?

php

1 answer

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Try this way:

^https.+[\w]$

The idea is to set anchors at the beginning and end of the file:

  • ^https: Forces the URL to start with https;
  • [\w]$: Requires the URL to end with any numeric alpha character, is the equivalent of [a-zA-Z0-9_];
  • dot (.): Indicates any characters;
  • plus (+): one or more characters

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