PHP-自定义电话号码格式的正则表达式

Question

I need to validate phone number with following rule

• Must start with following ISD code +352, +91, +33, +49, +32 (string must start with +)
• ISD code must be followed by numbers only 0-9 (no spaces, symbols or characters)
• Must be minimum 8 characters and maximum 15

I am facing difficulty to construct the correct regular expression, so far I only have preg_match('/^\\+\\d+$/', $value) and this is definitely not working. Any help in here is appreciated.

Thanks.

Answer 1

你可以使用正则表达式

^\+(?:(?:91)|(?:49)|(?:3(?:52)|3|2))\d{8,15}

Answer 2

Must be minimum 8 characters and maximum 15

I'm assuming this is total count.

Pattern:

^\\+(?=\\d{8,15}$)(?:32|33|49|91|352)\\d+$

^               // start of line
\+              // a plus
(?=\d{8,15}$)   // look ahead and assert 8 to 15 digits must match
(?:             // grouped alternation (uncaptured)
32|33|49|91|352 // alternations
)               // end of group
\d+             // 1 or more digits
$               // end of line

• Flags: g, m
• Steps: 30

Demo

Answer 3

Your regular expression should look like this one:

^\+(352|91|33|49|32)(\d{8,15})$

This page https://regex101.com/ is very helpful for verify and describing regular expressions.