Suggest using different color for double quote characters to help visualization

[scunliffe]

Sometimes when searching for single or double quotes, the rendering of the query is hard to read because the value is itself quoted.

e.g.
"'" (single quote)
""" (double quote)

A subtle change in color of the quotes or even the string values will help differentiate the content

[javallone]

Quotes around literals are less in-your-face in the regexper rewrite that just went live. Code is available on https://github.com/javallone/regexper-static