[Webkit-unassigned] [Bug 200714] New: String.prototype.replace truncates $<number> values

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=200714

            Bug ID: 200714
           Summary: String.prototype.replace truncates $<number> values
           Product: WebKit
           Version: Safari 12
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: matt at matthojo.co.uk

# Summary

When replacing with a value that contains $<number>, the value is truncated of $ and first number.

# Test

var string = "Get %{amount} credit";
var regex = new RegExp(`%{amount}`, "g");
console.log(string.replace(regex, "$100"));

# Expected

> Get $100 credit

# Actual

> Get 00 credit

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