Text.StartsWith
Syntax
Text.StartsWith(text as nullable text, substring as text, optional comparer as nullable function) as nullable logical
About
Returns true if text value text
starts with text value substring
.
text
: Atext
value which is to be searched.substring
: Atext
value which is the substring to be searched for intext
.comparer
: [Optional] AComparer
used for controlling the comparison. For example, Comparer.OrdinalIgnoreCase may be used to perform case-insensitive searches.
comparer
is a Comparer
which is used to control the comparison. Comparers can be used to provide case-insensitive or culture and locale-aware comparisons.
The following built-in comparers are available in the formula language:
- Comparer.Ordinal: Used to perform an exact ordinal comparison.
Comparer.OrdinalIgnoreCase
: Used to perform an exact ordinal case-insensitive comparison.- Comparer.FromCulture: Used to perform a culture-aware comparison.
Example 1
Check if the text "Hello, World" starts with the text "hello".
Usage
Text.StartsWith("Hello, World", "hello")
Output
false
Example 2
Check if the text "Hello, World" starts with the text "Hello".
Usage
Text.StartsWith("Hello, World", "Hello")
Output
true
Example 3
Ignoring case, check if the text "Hello, World" starts with the text "hello".
Usage
Text.StartsWith("Hello, World", "hello", Comparer.OrdinalIgnoreCase)
Output
true