feat(isAlpha): multiple locale support in isAlpha

[deepanshu2506]

Adding support to validate an alpha string that can contain characters from multiple locales in a single instance.

resolves #1560

Checklist

• PR contains only changes related; no stray files, etc.
• README updated (where applicable)
• Tests written (where applicable)

[codecov]

Codecov Report

Merging #1752 (a3624b0) into master (c899b31) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master     #1752   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          102       102           
  Lines         2015      2040   +25     
  Branches       454       459    +5     
=========================================
+ Hits          2015      2040   +25     

Impacted Files	Coverage Δ
src/lib/alpha.js	100.00% <ø> (ø)
src/lib/isAlpha.js	100.00% <100.00%> (ø)
src/lib/isEmail.js	100.00% <0.00%> (ø)
src/lib/isIdentityCard.js	100.00% <0.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update c899b31...a3624b0. Read the comment docs.

[deepanshu2506]

@fedeci please review

[fedeci]

There is already an opened PR #1660 for that issue, please check before creating a new one because it avoids you to lose time :)

[deepanshu2506]

There is already an opened PR #1660 for that issue, please check before creating a new one because it avoids you to lose time :)

@fedeci there has been no activity on #1660 for quite some time now.

[fedeci]

IMHO even if it has been inactive for a while it is always better to ask before and give the user some days to answer.

[deepanshu2506]

#1660 has no activity. Can this PR move forward?