I have an array of all keywords (lets say originalArray[ ]) and another 
array of matched keywords(lets say matchingArray[ ]).
Now I want to render all elements of originalArray but those elements that 
are common in both arrays must be bold. (or lets say matching keywords must 
be bold) 

My solution was:

1. Create a custom component :
<my-highlighter *matches*="matchingArray[ ]"> originalArray[ ] 
</my-highlighter> 

2. Inside <my-highlighter>, I will render content  of originalArray[ ] 
using <content id="all-keywords"></content>

3. And inside ready() method of <my-highlighter>, I will use regular 
expression to find all matching keywords from *matches* property in 
<content id="all-keywords"> and apply css to bold them.

I didn't like the concept of using regular expression. 
Are there any other better ways to solve this problem?

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