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javascript - Regular Expression for alphabets with spaces

I need help with regular expression. I need a expression which allows only alphabets with space for ex. college name.

I am using :

var regex = /^[a-zA-Z][a-zA-Z\s]+$/;

but it's not working.

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Just add the space to the [ ] :

var regex = /^[a-zA-Z ]*$/;

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