RegularExpressionValidator QML Type▲
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Import Statement: import QtQuick
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Since:: Qt 5.14
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Instantiates:: QRegularExpressionValidator
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Group: RegularExpressionValidator is part of qtquick-text-utility, qtquick-text-validators
Detailed Description▲
The RegularExpressionValidator type provides a validator, that counts as valid any string which matches a specified regular expression.
See Also▲
See also IntValidator, DoubleValidator, Validating Input Text
Property Documentation▲
regularExpression : regularExpression▲
This property holds the regular expression used for validation.
Note that this property should be a regular expression in JS syntax, e.g /a/ for the regular expression matching "a".
By default, this property contains a regular expression with the pattern .* that matches any string.
Below you can find an example of a TextInput object with a RegularExpressionValidator specified:
TextInput {
id: hexNumber
validator: RegularExpressionValidator { regularExpression: /[0-9A-F]+/ }
}Some more examples of regular expressions:
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A list of numbers with one to three positions separated by a comma:
Sélectionnez/\d{1,3}(?:,\d{1,3})+$/ -
An amount consisting of up to 3 numbers before the decimal point, and 1 to 2 after the decimal point:
Sélectionnez/(\d{1,3})([.,]\d{1,2})?$/