Regular Expressions 101

Group 1(\W|^)

1st Alternative\W

\Wany non-word character

2nd Alternative^

^start of string

Group 2(html|CSS|JavaScript)

1st Alternativehtml

htmlthe literal text html (case insensitive)

2nd AlternativeCSS

CSSthe literal text CSS (case insensitive)

3rd AlternativeJavaScript

JavaScriptthe literal text JavaScript (case insensitive)

Group 3(\W|$)

1st Alternative\W

\Wany non-word character

2nd Alternative$

$end of string, or before its final line terminator

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(\W|^)(html|CSS|JavaScript)(\W|$)

New

HTML HTMLDDD d é muito usado nos dias de hoje, juntamente com o HTML usamos JavaScript e CSS...CSS