how to take the first number of the sentence (before the hyphen)

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shamal
shamal il 22 Mar 2025
Risposto: Walter Roberson il 22 Mar 2025
i've this array string..i want to catch the first number:
2 - MICRO_VARIE_LIVE ====> catch 2
3 - index_Top_Live ====> catch3
ans: [2 3]
rule: the number that comes before the non-number character (hyphen) and it is always found at the beginning of the line

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Walter Roberson
Walter Roberson il 22 Mar 2025
double(extractBefore(VARIABLE, ' -'))

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