Regex Pattern for Name Phone Email and Postal code
Function for check Regex pattern in HTML
<!DOCTYPE html>
<html>
<body>
<script type="text/javascript">
var str = "2365498756";
var patt=/\d{10}/;
document.write(patt.test(str));
//alert(patt.test(str));
</script>
</body>
</html>
Indian Land Line no: \d{3,4}-\d{6,8}
Phone no:\d{10}
Password: ((?=.*\\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%]).{6,20})
Regex regex = new Regex(@"
^ # anchor at the start
(?=.*\d) # must contain at least one numeric character
(?=.*[a-z]) # must contain one lowercase character
(?=.*[A-Z]) # must contain one uppercase character
.{8,10} # From 8 to 10 characters in length
\s # allows a space
$ # anchor at the end",
RegexOptions.IgnorePatternWhitespace);
Common Regular Expressions
Some common regular expressions are shown in Table 1.
Table 1. Common Regular Expressions
| Field | Expression | Format Samples | Description |
|---|
| Name | ^[a-zA-Z''-'\s]{1,40}$ | John Doe
O'Dell | Validates a name. Allows up to 40 uppercase and lowercase
characters and a few special characters that are common to some names.
You can modify this list. |
| Social Security Number | ^\d{3}-\d{2}-\d{4}$ | 111-11-1111 | Validates
the format, type, and length of the supplied input field. The input
must consist of 3 numeric characters followed by a dash, then 2 numeric
characters followed by a dash, and then 4 numeric characters. |
| Phone Number | ^[01]?[- .]?(\([2-9]\d{2}\)|[2-9]\d{2})[- .]?\d{3}[- .]?\d{4}$ | (425) 555-0123
425-555-0123
425 555 0123
1-425-555-0123 | Validates a U.S. phone number. It must consist of
3 numeric characters, optionally enclosed in parentheses, followed by a
set of 3 numeric characters and then a set of 4 numeric characters. |
| E-mail | ^(?("")("".+?""@)|(([0-9a-zA-Z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^`\{\}\|~\w])*)(?<=[0-9a-zA-Z])@))(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,6}))$ | someone@example.com | Validates an e-mail address. |
| URL | ^(ht|f)tp(s?)\:\/\/[0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*(:(0-9)*)*(\/?)([a-zA-Z0-9\-\.\?\,\'\/\\\+&%\$#_]*)?$ | http://www.microsoft.com | Validates a URL |
| ZIP Code | ^(\d{5}-\d{4}|\d{5}|\d{9})$|^([a-zA-Z]\d[a-zA-Z] \d[a-zA-Z]\d)$ | 12345 | Validates a U.S. ZIP Code. The code must consist of 5 or 9 numeric characters. |
| Password | (?!^[0-9]*$)(?!^[a-zA-Z]*$)^([a-zA-Z0-9]{8,10})$ | | Validates
a strong password. It must be between 8 and 10 characters, contain at
least one digit and one alphabetic character, and must not contain
special characters. |
| Non- negative integer | ^\d+$ | 0
986 | Validates that the field contains an integer greater than zero. |
| Currency (non- negative) | ^\d+(\.\d\d)?$ | 1.00 | Validates
a positive currency amount. If there is a decimal point, it requires 2
numeric characters after the decimal point. For example, 3.00 is valid
but 3.1 is not. |
| Currency (positive or negative) | ^(-)?\d+(\.\d\d)?$ | 1.20 | Validates
for a positive or negative currency amount. If there is a decimal
point, it requires 2 numeric characters after the decimal point. | |
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very good
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