String Validation functions

The following functions are used to validate strings.

from sanatio import Validator

val = Validator()

equals(value1, value2, ignoreCase)

Returns true if the two strings are equal.

>>> val.equals("abc", "abc")
True
>>> val.equals("abc", "ABC")
False
>>> val.equals("abc", "ABC", ignoreCase=True)
True

isLength(value, min, max)

Returns true if the string is between the specified min and max.

>>> val.isLength("abc", 2, 3)
True
>>> val.isLength("abc", 2, 2)
False

isEmpty(value)

Returns true if the string is empty.

>>> val.isEmpty("")
True
>>> val.isEmpty("abc")
False

isAlphanumeric(value)

Returns true if the string is alphanumeric.

>>> val.isAlphanumeric("abc123")
True
>>> val.isAlphanumeric("abc123!")
False

isAlpha(value)

Returns true if the string is alphabetic.

>>> val.isAlpha("abc")
True
>>> val.isAlpha("abc123")
False

contains(value, substring)

Returns true if the string contains the substring.

>>> val.contains("abc", "a")
True
>>> val.contains("abc", "d")
False