Regex for replacing a single-quote with two single-quotes

Question

I\'m running into an issue that I think is being caused by needing to double-up on some single quotes inside a string. However, JS\'s string.replace uses RegEx, and I\'ve ne

Answer 1

I don't know the exact syntax, but you can find that out yourself:

str.replace(/(?!')'(?!')/g, "''");

Haven't tested this yet, but if it works, it also takes care of only replacing occurances of one single quote in a row. The g modifier is necessary for replacing all ocurrences.

Answer 2

You don't need to use RegExp.

String patterm version:

str.replace("'", "''", 'g')

RegExp pattern version:

str.replace(/'/g, "''")

Here you have some useful RegExp links:

• RegExp Tutorial
• Regular Expression Basic Syntax Reference
• RegExp Build&Testing Online Tool