RegEx Substring Extraction Powershell

Question

How do i extract the first instance of the below pattern from string.

$a="CIC-284 Updated code to reflect changes from Defect 46"

$a -match "CIC-*"
True

Expected result : CIC-284 from the string using powershell.

Ansgar Wiechers · Accepted Answer · 2017-07-27 00:31:20Z

1

Your regular expression (CIC-*) matches the character sequence "CIC" followed by any number of hyphens. The asterisk is a quantifier with the meaning "zero or more times the preceding expression".

To match the character sequence "CIC-" followed by any number of digits change your expression to CIC-\d*. \d is an escape sequence that matches digits. Alternatively you can use [0-9] instead of \d.

answered Jul 27, 2017 at 0:31

Ansgar Wiechers

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