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JavaScript 正则表达式修饰符标志
tryjs_regexp_y_1
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<!DOCTYPE html> <html> <body> <h1>Regular Expressions</h1> <h2>The /y Flag</h2> <p>The /y flag must be set to allow matches from a position.</p> <p id="demo"></p> <script> let text = "abc def ghi"; const pattern = /\w+/; // Start match from position 4 pattern.lastIndex = 4; let result = text.match(pattern); document.getElementById("demo").innerHTML = result; </script> </body> </html>