groupIndex property
ReplacingArgs.groupIndex property
Identifies, by index, a captured group in the Aspose.Words.Replacing.ReplacingArgs.Match that is to be replaced with the ReplacingArgs.replacement string.
get groupIndex(): number
Remarks
Default is zero.
Examples
Shows how to apply a different font to new content via FindReplaceOptions.
test.skip('ConvertNumbersToHexadecimal - TODO: WORDSNODEJS-106 - Add support of regex to doc.range.replace', () => {
let doc = new aw.Document();
let builder = new aw.DocumentBuilder(doc);
builder.font.name = "Arial";
builder.writeln("Numbers that the find-and-replace operation will convert to hexadecimal and highlight:\n" +
"123, 456, 789 and 17379.");
// We can use a "FindReplaceOptions" object to modify the find-and-replace process.
let options = new aw.Replacing.FindReplaceOptions();
// Set the "HighlightColor" property to a background color that we want to apply to the operation's resulting text.
options.applyFont.highlightColor = "#D3D3D3";
let numberHexer = new NumberHexer();
options.replacingCallback = numberHexer;
let replacementCount = doc.range.replace(new Regex("[0-9]+"), "", options);
console.log(numberHexer.GetLog());
expect(replacementCount).toEqual(4);
expect(doc.getText().trim()).toEqual("Numbers that the find-and-replace operation will convert to hexadecimal and highlight:\r" +
"0x7B, 0x1C8, 0x315 and 0x43E3.");
expect(doc.getChildNodes(aw.NodeType.Run, true).filter(r => r.asRun().font.highlightColor == "#D3D3D3")).toEqual(4);
});
/*
/// <summary>
/// Replaces numeric find-and-replacement matches with their hexadecimal equivalents.
/// Maintains a log of every replacement.
/// </summary>
private class NumberHexer : IReplacingCallback
{
public ReplaceAction Replacing(ReplacingArgs args)
{
mCurrentReplacementNumber++;
int number = Convert.ToInt32(args.match.value);
args.replacement = `0x${number:X}`;
mLog.AppendLine(`Match #${mCurrentReplacementNumber}`);
mLog.AppendLine(`\tOriginal value:\t${args.match.value}`);
mLog.AppendLine(`\tReplacement:\t${args.replacement}`);
mLog.AppendLine(`\tOffset in parent ${args.matchNode.nodeType} node:\t${args.matchOffset}`);
mLog.AppendLine(string.IsNullOrEmpty(args.groupName)
? `\tGroup index:\t${args.groupIndex}`
: `\tGroup name:\t${args.groupName}`);
return aw.Replacing.ReplaceAction.Replace;
}
public string GetLog()
{
return mLog.toString();
}
private int mCurrentReplacementNumber;
private readonly StringBuilder mLog = new StringBuilder();
}
See Also
- module Aspose.Words.Replacing
- class ReplacingArgs