Grab a string between characters

i have text file creating dump of data. this:

testdata=100 (someotherdata 100) (data=100)

testdata=101 (someotherdata 101) (data=101)

testdata=101 (someotherdata 101) (data=101)

there hundreds of these lines. need extract first number each line after "testdata=" variable can add numbers up. need getting numbers. summing easy. here's have far.

i have variable "$a" has data above. run:

[void]($a -match '^testdata=([^ (]+)')

there space between ^ , ( dont space in match. works if have 1 line in variable "$a". if have multiple lines doesnt work. can me figure why not working or tell me easier way accomplish need?

thanks

---

chris morgan

here's one-liner can point @ log file:

get-content .\mylog.log | { $_ -match '^testdata=(\d+) ' }| foreach { [int] $matches[1] } | measure -sum

thanks,
-lincoln

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