Regular Expressions 101

^start of line

\d+a digit, repeated at least once

Non-Capturing Group(?:\.\S|[A-Z])

1st Alternative\.\S

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\Sany non-whitespace character

2nd Alternative[A-Z]

Character Class[A-Z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

.*any character (except for line terminators), repeated any number of times

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^\d+(?:\.\S|[A-Z]).*

New

1. TEST 1 : DataLogFile
11. TEST 2 : Inter Citro File
111. TEST 3 : Inter Citro File
111.TEST4 : Match this
111TEST4: