How to interpret/retrieve coordinates from svg file?

Hi,

I am not sure if I am posting this question on the right forum. Would
appreciate of you direct me to the right forum. Here is my problem:

I have a pdf document which I have converted to svg format.
I wish to retireve the text along with the bounding rectangular coordinates
of each word in the document.
My svg file has x,y, coordinate informataion as a transformation matrix.
Here is an entry:

<text transform="matrix(1 0 0 -1 66 649.44)"><tspan
x="0,6.145,8.2317,10.318,12.
405,15.002,20.637" y="0" class="ps01 ps10 ps25">Sample text</tspan></text>

I am not able to understand how to get the 4 rectangular (x,y) coordinates
from this.

Following are my queries:

a) Is it possible to extract bounding rectangular coordinates from svg
files?
b) Are there any api to retrieve this information, given a text to search?
c) Could you please point me to links on how I could interpret these
coordinates?

Thanks in advance,

Shreyas

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