Text predicates

Reference documentation for Expressif predicates in the text scope.

Name	Overview
`contains`	Returns `true` if the value passed as argument contains, anywhere in the string, the text value passed as parameter. Returns `false` otherwise.
`ends-with`	Returns `true` if the value passed as argument ends with the text value passed as parameter. Returns `false` otherwise.
`is-any-of`	Returns `true` if the list of text values passed as parameter contains the text value passed as argument. Returns `false` otherwise.
`is-camel-case`	Returns `true` when the complete input is a camel-case identifier beginning with a letter. The initial letter is lowercase; subsequent Unicode letters, combining marks, and numbers may include uppercase acronym runs, as in `httpServerURL`. Returns `false` for null, empty, blank, punctuation, mixed separators, and leading, trailing, or repeated separators.
`is-currency-symbol`	Returns true when the input contains exactly one Unicode currency symbol. Returns false for null, empty, blank, and all other text.
`is-empty`	Returns `true` if argument value has a length of `0`. Return `false` otherwise.
`is-empty-or-null`	Returns `true` if argument value has a length of `0` or is `null`. Return `false` otherwise.
`is-equivalent-to`	Compare the text value passed as argument and the text value passed as parameter and returns `true` if they are equal. By default the comparison is agnostic of the culture and case-insensitive.
`is-kebab-case`	Returns `true` when the complete input is a kebab-case identifier beginning with a letter. Words contain lowercase or uncased Unicode letters, combining marks, and numbers, separated by single hyphens. Returns `false` for null, empty, blank, punctuation, mixed separators, and leading, trailing, or repeated separators.
`is-lower-case`	Returns `true` if all characters of the text value passed as argument are lower-case. The value `null`, `empty` and `whitespace` also returns `true`. Returns `false` otherwise.
`is-pascal-case`	Returns `true` when the complete input is a pascal-case identifier beginning with a letter. The initial letter is uppercase or titlecase; subsequent Unicode letters, combining marks, and numbers may include uppercase acronym runs, as in `HTTPServer`. Returns `false` for null, empty, blank, punctuation, mixed separators, and leading, trailing, or repeated separators.
`is-snake-case`	Returns `true` when the complete input is a snake-case identifier beginning with a letter. Words contain lowercase or uncased Unicode letters, combining marks, and numbers, separated by single underscores. Returns `false` for null, empty, blank, punctuation, mixed separators, and leading, trailing, or repeated separators.
`is-sorted-after`	Compare the text value passed as argument and the text value passed as parameter and returns `true` if argument value is alphabetically sorted after the parameter value. By default the comparison is agnostic of the culture and case-insensitive.
`is-sorted-after-or-equivalent-to`	Compare the text value passed as argument and the text value passed as parameter and returns `true` if argument value is alphabetically sorted after the parameter value or if the two values are equal. By default the comparison is agnostic of the culture and case-insensitive.
`is-sorted-before`	Compare the text value passed as argument and the text value passed as parameter and returns `true` if argument value is alphabetically sorted before the parameter value. By default the comparison is agnostic of the culture and case-insensitive.
`is-sorted-before-or-equivalent-to`	Compare the text value passed as argument and the text value passed as parameter and returns `true` if argument value is alphabetically sorted before the parameter value or if the two values are equal. By default the comparison is agnostic of the culture and case-insensitive.
`is-upper-case`	Returns `true` if all characters of the text value passed as argument are upper-case. The value `null`, `empty` and `whitespace` also returns `true`. Returns `false` otherwise.
`matches-currency`	Returns true when the trimmed input is an amount with one Unicode currency symbol at the beginning or end, optional comma grouping, and an optional dot decimal fraction. Returns false for null, empty, blank, and malformed amounts.
`matches-date`	Returns `true` if the text value passed as argument is a valid representation of a date in the culture specified as parameter. If the value is of type `DateTime` and the time part is set to midnight then it returns `true`. If the value is of type `Date`. Returns `false` otherwise.
`matches-datetime`	Returns `true` if the text value passed as argument is a valid representation of a dateTime in the culture specified as parameter. The expected format is the concatenation of the ShortDatePattern, a space and the LongTimePattern. If the value is of type `DateTime`, it returns `true`. Returns `false` otherwise.
`matches-numeric`	Returns `true` if the text value passed as argument is a valid representation of a numeric in the culture specified as parameter. Returns `false` otherwise.
`matches-regex`	Returns `true` if the value passed as argument validate the regex passed as parameter. Returns `false` otherwise.
`matches-time`	Returns `true` if the text value passed as argument is a valid representation of a time in the culture specified as parameter. The expected format is the LongTimePattern. If the value is of type `TimeOnly`, it returns `true`. Returns `false` otherwise.
`starts-with`	Returns `true` if the value passed as argument starts with the text value passed as parameter. Returns `false` otherwise.