function: equals null or is null

[TesDA]

In the below function in flow, how do I get the first part of the if statement to basically say, if the result is blank do this...

if(
substring(body('Html_to_text'), 0, indexOf(body('Html_to_text'), '---+---')) = null, 
body('Html_to_text'),
substring(body('Html_to_text'), 0, indexOf(body('Html_to_text'), '---+---'))) 

When I add the = null it errors out - "The expression is invalid"

[yashag2255 · Accepted solution]

Hi @TesDA 

if(equals(substring(body('Html_to_text'), 0, indexOf(body('Html_to_text'), '---+---')),null),body('Html_to_text'),substring(body('Html_to_text'), 0, indexOf(body('Html_to_text'), '---+---')))

Can you try this expression? (please check the brackets. I might have missed something there)

Basically you have to wrap the condition for '=' in the equals() function. 

Hope this Helps!

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[TesDA]

Worked perfectly! Thank you!