How to perform regular expression pattern match with multiple occurrences?

To perform a regular expression pattern match with multiple occurrences, you need to write a pattern string in regular expression language. Then you need to apply the pattern to the subject string with a tool that supports pattern match with multiple occurrences.

FYIcenter.com has designed this online tool for you to perform regular expression pattern match with multiple occurrences. All you need to do is to enter your subject string, the pattern and the modifier. Then click the "Submit" button. Multiple full matches with their sub-matches will be displayed in the result area.

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Subject:

From: John Gate <john_gate_369@mail.PvDaOc.net> To: Tom.bOPvLU@uagTXD.org; jerry_EtNnZP@zHpLEc.edu Sent: Sunday, April 1, 2007 10:54:03 AM Subject: Some faked email addresses for testing Hi, This is a test message to: TJ-Pq-Le@vIiaeP.com, RW.FJ.HN@Qg.UMjO.com; and Kx0HZm0y@scX.KuQ.com or IBhce.E@hfib.LK.com, don't forget the last one: iRHUxg@JExUL.H.com. Please meet @2:00pm. __@_@__

Pattern:

Modifier:

Matches returned by FYIcenter.com:

Full Match 1: Sub Match 1: Sub Match 2:

Full Match 2: Sub Match 1: Sub Match 2:

Full Match 3: Sub Match 1: Sub Match 2:

Full Match 4: Sub Match 1: Sub Match 2:

Full Match 5: Sub Match 1: Sub Match 2:

Full Match 6: Sub Match 1: Sub Match 2:

Full Match 7: Sub Match 1: Sub Match 2:

Full Match 8: Sub Match 1: Sub Match 2:

What is a regular expression language?

Regular expression languages specifies how to write a regular expression pattern. It uses a combination of regular characters, wildcard characters, groups, logical operations, and other logics.

For example, "\b([A-Z0-9._%-]+)@([A-Z0-9.-]+\.[A-Z]{2,4})\b" is a regular expression that represents a pattern to match multiple occurrences of email addresses in the given subject string.

To learn more about regular expression, visit Regular Expression Information Center.

 

⇒ Regular Expression Search and Replace

⇐ Regular Expression Pattern Match

⇑ Regular Expression Match and Replace

⇑⇑ Online Tools