Regular Expressions 101

Pro

</item>the literal text </item> (case insensitive)

\s*+any whitespace character, repeated any number of times

Group 1([^i]*(?:i(?!tem)[^i]*)*)

Negated Character Class[^i]*

*matches any number of characters outside the set below:

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case insensitive)

Non-Capturing Group(?:i(?!tem)[^i]*)*

*repeats the group contents below any number of times:

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case insensitive)

Negative Lookahead(?!tem)

temthe literal text tem (case insensitive)

Negated Character Class[^i]*

*matches any number of characters outside the set below:

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case insensitive)

\s*any whitespace character, repeated any number of times

</body>the literal text </body> (case insensitive)

Global pattern flags

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

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

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

25 tokens

</item>\s*+([^i]*(?:i(?!tem)[^i]*)*)\s*</body>

New

<body>
    <item>abc</item>
    <item>def</item>
    unparsable rest
</body>

<body>
    <item>abc</item>
    <item>def</item>
    unparsable rest
</body>