JavaScript RegExp \b Metacharacter

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JavaScript RegExp \b Metacharacter

The RegExp \b metacharacter finds a match at the beginning or end of a word.

Find Match at Beginning

Example

HTML Online Editor
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Click me</button> <p id="point"></p> <script> function myFunction(){ var str = "His father owns a ship"; var pattern = /\bhi/gi; var result = str.match(pattern); document.getElementById("point").innerHTML = result; } </script> </body> </html>

Syntax

new RegExp("\\b"); //or /\b/

Syntax with modifiers

new RegExp("\\b", "g"); //or /\b/g

Find Match at Ending

Example

HTML Online Editor
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Click me</button> <p id="point"></p> <script> function myFunction(){ var str = "His father owns a ship"; var pattern = /ip\b/gi; var result = str.match(pattern); document.getElementById("point").innerHTML = result; } </script> </body> </html>

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