public static PipeValue Replace(PipeContext context)
{
string needle = (string)context.TakeArgument();
string replacement = null;
PipeLambda fn = context.TakeFunction();
if (fn == null)
{
replacement = (string)context.TakeArgument();
}
EcmaScriptRegex re;
if (EcmaScriptRegex.TryParse(needle, out re))
{
if (fn != null)
{
return(re.Replace((string)context.Value, fn));
}
return(re.Replace((string)context.Value, replacement));
}
string str = (string)context.Value;
int pos = str.IndexOf(needle);
if (pos >= 0)
{
return(String.Concat(str.Substring(0, pos), replacement, str.Substring(pos + needle.Length)));
}
return(context.Value);
}
public static PipeValue Like(PipeValue str, PipeValue regex)
{
EcmaScriptRegex re;
return(EcmaScriptRegex.TryParse((string)regex, out re) && re.Test((string)str));
}