The pattern attribute, when specified is a regular expression which the input value must match the value of pass constraint validation it must be a valid JavaScript regular expression as used by the reg exp type.The pattern attribute specifies a regular expression form control’s value should match. If a non-null value doesn’t conform to the constraints set by the pattern value,… Continue reading How to use the pattern attribute, to specify regular expression to input value
Tag: pattern
Form validation
Name pattern=”^[a-zA-Z]+(?:[_ -a-zA-Z0-9 !@#$%^&*|<>.,])*[a-zA-Z 0-9 !@#$%^&*|<>.,]*$” This pattern will satisfy the following conditions. The name accepts symbols (ex: Victoria 2) The name accepts combinations of alphabets and special characters (ex: Test Victoria ||| & Company). The name field does not accept all numerals. The name field does not accept all white spaces. The name field… Continue reading Form validation