How I can do to check if a string contains a comma with a space using a regular expression?

Question

The string contains a name, where the first part corresponds to the name and the second to the lastname.

The regular expression must verify these formats:

• "Surname1 Surname2, Name1 Name2"
• "Surname1, Name1 Name2 Surname2"

Invalid strings:

 "Surname1 Surname2 Name1 Name2" 
 "Surname1, Surname2, Name1 Name2"
 "Surname1 Surname2 Name1 Name2,"

I try the following: /([\\w][\\,][\\s]{1}\\b)/ , but did not work

I appreciate any help.

Answer 1

您可以使用此正则表达式：

/\b\w+\s+\w+\s*,\s*\w+\s+\w+\b/

Answer 2

If you want to support numbers in the name like your example above.

var validName = function (name) {
  return /^\w+ \w+, \w+ \w+$/.test(name);
};

or if any kind of whitespace is allowed between names

validName = function (name) {
  return /^\w+\s\w+,\s\w+\s\w+$/.test(name);
},

or if you only want to allow US letters

validName = function (name) {
  return /^[A-Za-z]+ [A-Za-z]+, [A-Za-z]+ [A-Za-z]+$/.test(name);
},

Answer 3

I found a solution that verifies both cases:

This is the regular expression: /\\b\\w+\\s*\\w*,\\s\\w+\\s\\w+\\s*\\w*\\s*\\w*\\s*\\w*\\s*\\w*$\\b/