/*
JavaScript Bible, Fourth Edition
by Danny Goodman
Publisher: John Wiley & Sons CopyRight 2001
ISBN: 0764533428
*/
<HTML>
<HEAD>
<TITLE>Regular Expression Replace and Search</TITLE>
<SCRIPT LANGUAGE="JavaScript">
var mainString = "To be, or not to be: that is the question:\n"
mainString += "Whether \'tis nobler in the mind to suffer\n"
mainString += "The slings and arrows of outrageous fortune,\n"
mainString += "Or to take arms against a sea of troubles,\n"
mainString += "And by opposing end them."
function doReplace(form) {
var replaceStr = form.replaceEntry.value
var delim = (form.caseSens.checked) ? "/g" : "/gi"
var regexp = eval("/" + form.regexp.value + delim)
form.result.value = mainString.replace(regexp, replaceStr)
}
function doSearch(form) {
var replaceStr = form.replaceEntry.value
var delim = (form.caseSens.checked) ? "/g" : "/gi"
var regexp = eval("/" + form.regexp.value + delim)
form.result.value = mainString.search(regexp)
}
</SCRIPT>
</HEAD>
<BODY>
<B>String Replace and Search with Regular Expressions</B>
<HR>
Text used for string.replace() and string.search() methods:<BR>
<B>To be, or not to be: that is the question:<BR>
Whether 'tis nobler in the mind to suffer<BR>
The slings and arrows of outrageous fortune,<BR>
Or to take arms against a sea of troubles,<BR>
And by opposing end them.</B>
<FORM>
Enter a regular expression to match:<INPUT TYPE="text" NAME="regexp"
SIZE=25 VALUE="\B't">
<INPUT TYPE="checkbox" NAME="caseSens">Case-sensitive<BR>
Enter a string to replace the matching strings:<INPUT TYPE="text"
NAME="replaceEntry" SIZE=30 VALUE="it "><P>
<INPUT TYPE="button" VALUE="Execute replace()" onClick="doReplace(this.form)">
<INPUT TYPE="reset">
<INPUT TYPE="button" VALUE="Execute search()" onClick="doSearch(this.form)"><P>
Result:<BR>
<TEXTAREA NAME="result" COLS=60 ROWS=5 WRAP="virtual"></TEXTAREA>
</FORM>
</BODY>
</HTML>
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