HTML | pattern Attribute
This attribute is used to specify the regular expression on which the input element value is checked. This attribute works with the following input types: text, password, date, search, email, etc. Use the Global title attribute to describe the pattern for helping the user.
Syntax:
<input pattern = "regular_exp">
Element: This attribute is associated with <input> element only.
Attribute: This attribute specifies the regular expression.
Example:
<!DOCTYPE html> < html > < head > < title >pattern attribute</ title > < style > body { text-align:center; } h1 { color:green; } </ style > </ head > < body > < h1 >GeeksforGeeks</ h1 > < h2 >pattern attribute</ h2 > < form action = "#" > Password: < input type = "text" name = "Password" pattern = "[A-Za-z]{3}" title = "3 letter Password" > < input type = "submit" > </ form > </ body > </ html > |
Output:
Supported Browsers: The browser supported by pattern attribute are listed below:
- Google Chrome 5.0 and above
- Internet Explorer 10.0 and above
- Firefox 4.0 and above
- Opera 9.6 and above