Use regex to find URLs

app/src/main/java/gq/kirmanak/mealient/data/share/ShareRecipeRepoImpl.kt

@@ -1,5 +1,6 @@
 package gq.kirmanak.mealient.data.share
 
+import androidx.core.util.PatternsCompat
 import gq.kirmanak.mealient.logging.Logger
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -12,16 +13,9 @@ class ShareRecipeRepoImpl @Inject constructor(
 
     override suspend fun saveRecipeByURL(url: CharSequence): String {
         logger.v { "saveRecipeByURL() called with: url = $url" }
-
-        val urlStart = url.indexOf("http")
-        if (urlStart == -1) throw IllegalArgumentException("URL doesn't start with http")
-
-        val startsWithUrl = url.subSequence(urlStart, url.length)
-        val urlEnd = startsWithUrl.indexOfFirst { it.isWhitespace() }
-            .takeUnless { it == -1 }
-            ?: startsWithUrl.length
-
-        val urlString = startsWithUrl.substring(0, urlEnd)
+        val matcher = PatternsCompat.WEB_URL.matcher(url)
+        require(matcher.find()) { "Can't find URL in the text" }
+        val urlString = matcher.group()
         val request = ParseRecipeURLInfo(url = urlString, includeTags = true)
         return parseRecipeDataSource.parseRecipeFromURL(request)
     }