IsBlankOrWhitespace?

[daryllabar]

It is very common to check for a text field to be populated using IsBlank(TextInput1.Text) but unfortunetly this will return false for " " or `"\t"' or even new lines. What's the best way to handle this?

I came up with IsBlank(TextInput1.Text) || !IsMatch(TextInput1.Text, NonSpace, Contains & Multiline) but @MikeStall's version makes a whole lot more sense: IsBlank(Trim(TextInput1.Text))

[MikeStall]

Yeah, the Trim() function is the key here.
https://github.com/microsoft/Power-Fx/blob/main/src/tests/Microsoft.PowerFx.Core.Tests/ExpressionTestCases/Trim.txt

[daryllabar]

Apparently Chat GPT thinks Len(Trim(TextInput1.Text)) = 0 is better