Put a number from a header into a variable?

13 Jul. 2016
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Aktualisiert 13 Jul. 2016
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I have a text file containing the value of a time step (in the header), which I want to assign to a variable. How can I extract this number (just the time step), since the header also contains words? I have provided the header below:
Lead Number 1 Time Step .001 Data Points 6001

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Azzi Abdelmalek
Azzi Abdelmalek am 13 Jul. 2016
Bearbeitet: Azzi Abdelmalek am 13 Jul. 2016

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s='Lead Number 1 Time Step .001 Data Points 6001 '
ts=str2double(regexpi(s,'Step\s*(\d?\.?\d+)','tokens','once'))

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Gefragt:

Bristin Rustenbeck
Bristin Rustenbeck
am 13 Jul. 2016

Bearbeitet:

Azzi Abdelmalek
Azzi Abdelmalek
am 13 Jul. 2016

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