to a man: barúch habá (ברוך הבא)
to a woman: bruchá haba'á (ברוכה הבאה)
to two or more: bruchím haba'ím (ברוכים הבאים)
If you mean "you're welcome" it's bevakasha (בבקשה)
"What if your Welcome" cannot be translated into Hebrew, because "your welcome" in Hebrew is literally "blessed is he/she who comes" You can say, "what if it happens that you are permitted to enter" = ma yikreh im mutar lekha/lakh lehikanes.
welcome in Hebrew is "baroch haba" or "shalom" or "brocim habaim"
brukhim haba'im le'amritsar
You could say "Welcome back".
You could say "welcome back" or "glad to see you home."
환영 홈
welcome back
welcome terug
brukhim haba'im, khaverim (ברוכים הבאים, חברים)
Baruch Haba Le'olami - ברוך הבא לעולמי
yes, but only in syndication.
In Flemish, you say "welkom terug" to say welcome back.