SUBSTITUTE
Use the SUBSTITUTE function to replace specific text in a text value.
Use
SUBSTITUTE( text, old_text, new_text [, instance_num] )
Substitutes new text for old text in a text value.
| Parameter | Required | Description | 
|---|---|---|
| text | Yes | the text in which to substitute characters | 
| old_text | Yes | the text to replace | 
| new_text | Yes | the new text to replace old_text with | 
| instance_num | No | specifies which occurrence of old_text to replace with new_text (default all) | 
| Returns | Text | 
Example
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