How to make an "ASCII" art table for Facebook or Twitter?

How to have a table on services that only support plain text like Facebook or Twitter, since they are all misaligned for not having a mono-spaced typeface? In other words, how to turn this:

╔═══════════════════════════════════╦════════════╦════════╗
║ Col1 ║ Col2 ║ NumCol ║
╠═══════════════════════════════════╬════════════╬════════╣
║ Value 1 ║ Value 2 ║ 123 ║
║ This is a row with only one cell ║║║
║ This row is testing html entities ║ Te
st ║ 45 ║
╚═══════════════════════════════════╩════════════╩════════╝

to this:

╔═══════════════════════════════════╦════════════╦════════╗║               Col1                ║    Col2    ║ NumCol ║╠═══════════════════════════════════╬════════════╬════════╣║ Value 1                           ║ Value 2    ║    123 ║║ This is a row with only one cell  ║║║║ This row is testing html entities ║ Te<br />st ║     45 ║╚═══════════════════════════════════╩════════════╩════════╝

?

^{FYI: Is there a web app to create ASCII art tables? - Web Applications Stack Exchange}