Regular Expressions 101

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([-|+]?\d+[.|,]?\d+)
/
1st Capturing Group
([-|+]?\d+[.|,]?\d+)
Match a single character present in the list below
[-|+]
? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)
- matches the character - with index 4510 (2D16 or 558) literally (case sensitive)
This hyphen is treated literally, which might be confusing for others. Consider escaping it or placing at the start or end of the class!
|+
matches a single character in the list |+ (case sensitive)
\d
matches a digit (equivalent to [0-9])
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
Match a single character present in the list below
[.|,]
? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)
.|,
matches a single character in the list .|, (case sensitive)
\d
matches a digit (equivalent to [0-9])
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/

Test String